300 (three hundred) is the natural number following two hundred ninety-nine and preceding three hundred one. In mathematics, a natural number can mean either an element of the set {1, 2, 3, ...} (i. ...

List of numbers — Integers This is a list of articles about numbers (not about numerals). ... The integers are commonly denoted by the above symbol. ... ← 0 100 200 300 400 500 600 700 800 900 → In mathematics, −1 is the integer greater than negative two (−2) and less than 0. ... Zero redirects here. ... 100 (one hundred) (the Roman numeral is C for centum) is the natural number following 99 and preceding 101. ... 200 is the natural number following 199 and preceding 201. ... Four hundred is the natural number following three hundred ninety-nine and preceding four hundred one. ... Five hundred is the natural number following four hundred ninety-nine and preceding five hundred one. ... Six hundred is the natural number following five and hundred ninety-nine and preceding six hundred and one. ... 700 (seven hundred) is the natural number following 699 and preceding 701. ... 800 (eight hundred) is the natural number following 799 and preceding 801. ... Nine hundred is the natural number following eight hundred ninety-nine and preceding nine hundred one. ... Look up one thousand in Wiktionary, the free dictionary. ...
Cardinal	300 three hundred
Ordinal	300th three hundredth
Factorization
Roman numeral	CCC
Roman numeral (Unicode)	CCC, ccc
Binary	100101100
Octal	454
Duodecimal	210
Hexadecimal	12C
Hebrew	ש (Shin)

Aleph-0, the smallest infinite cardinal In mathematics, cardinal numbers, or cardinals for short, are a generalized kind of number used to denote the size of a set, known as its cardinality. ... In set theory, ordinal, ordinal number, and transfinite ordinal number refer to a type of number introduced by Georg Cantor in 1897, to accommodate infinite sequences and to classify sets with certain kinds of order structures on them. ... ... The system of Roman numerals is a numeral system originating in ancient Rome, and was adapted from Etruscan numerals. ... The binary numeral system, or base-2 number system, is a numeral system that represents numeric values using two symbols, usually 0 and 1. ... The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7. ... The duodecimal (also known as base-12 or dozenal) system is a numeral system using twelve as its base. ... In mathematics and computer science, hexadecimal, base-16, or simply hex, is a numeral system with a radix, or base, of 16, usually written using the symbols 0–9 and A–F, or a–f. ... Hebrew redirects here. ...

Mathematical properties

It is a triangular number and the sum of a pair of twin primes (149 + 151), as well as the sum of ten consecutive primes (13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47). It is a Harshad number. A triangular number is the sum of the n natural numbers from 1 to n. ... A twin prime is a prime number that differs from another prime number by two. ... A Harshad number, or Niven number, is an integer that is divisible by the sum of its digits in a given number base. ...

Other fields

Three hundred is

• The Three Hundred, the name given to the Spartans who fought to the death at the Battle of Thermopylae (although two were sent away prior to the battle and survived, Aristodemus and Pantites xerxes)
• Movies about the Three Hundred and the battle:
  • 300 Spartans (1962)
  • 300 (2007)
• In bowling, a perfect score, achieved by rolling strikes in all ten frames (a total of twelve strikes).
• The lowest possible Fair Isaac credit score.
• In cars:
  • Chrysler 300 (during the 1950s and 1960s, accompanied by a letter).
  • Nissan 300ZX

For modern day Sparta, see Sparti (municipality). ... For other uses, see Battle of Thermopylae (disambiguation). ... Aristodemus was a Spartan warrior, one of the famous Three Hundred sent to the Battle of Thermopylae. ... A Spartan warrior, one of the Three Hundred sent to the Battle of Thermopylae. ... Xerxes may refer to these Persian kings: Xerxes I, reigned 485–465 BC, also known as Xerxes the Great. ... For other uses see film (disambiguation) Film refers to the celluliod media on which movies are printed Film — also called movies, the cinema, the silver screen, moving pictures, photoplays, picture shows, flicks, or motion pictures, — is a field that encompasses motion pictures as an art form or as part of... It has been suggested that this article or section be merged into Battle of Thermopylae. ... Year 1962 (MCMLXII) was a common year starting on Monday (the link is to a full 1962 calendar) of the Gregorian calendar. ... 300 is a 2007 film adaptation of the graphic novel 300 by Frank Miller, and is a fictionalized retelling of the Battle of Thermopylae. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... the sport of cricket|Bowling (cricket)}} For other uses, see Bowling (disambiguation). ... In the United States, a credit score is a number typically between 300 and 850, based on a statistical analysis of a persons credit files, to represent the creditworthiness of that person, which is the likelihood that the person will pay his or her bills. ... The Chrysler 300 is a full-size car designed by Ralph Gilles. ... 1957 Chrysler 300C The Chrysler 300 letter series were high-performance luxury cars built in very limited numbers by the Chrysler Corporation in the United States between 1955 and 1965. ... The Nissan 300ZX, also known as the Nissan Fairlady Z, is a sports car that was produced by Nissan. ...

Integers from 301 to 399

301 = 7·43, is the sum of three consecutive primes (97 + 101 + 103), happy number; HTTP status code, indicating the content has been moved and the change is permanent (permanent redirect). It is also the number of a debated Turkish penal code. A happy number is defined by the following process. ... The following is a list of HTTP response status codes and standard associated phrases, intended to give a short textual description of the status. ... Article 301 is a controversial article of the Turkish penal code, taking effect on June 1, 2005, and introduced as part of a package of penal-law reform in the process preceding the opening of negotiations for Turkish membership of the European Union (EU), in order to bring Turkey up...

302 = 2·151, Nontotient, also a HTTP status code indicating the content has been moved (temporary redirect). Also the displacement of Ford's "5.0" V8. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ... The Windsor engine is a 90-degree small-block V8 from Ford Motor Company. ...

303 = 3·101, the "See Other" HTTP status code, indicating content can be found elsewhere. Number used for an area code in the Denver Metropolitan area of Colorado.

304 = 2⁴·19, sum of six consecutive primes (41 + 43 + 47 + 53 + 59 + 61), sum of eight consecutive primes (23 + 29 + 31 + 37 + 41 + 43 + 47 + 53), primitive semiperfect number, untouchable number, nontotient, a HTTP code indicated the content has not been modified, record number of wickets taken in English cricket season by Tich Freeman in 1928. In mathematics, a primitive semiperfect number (also called a primitive pseudoperfect number, irreducible semiperfect number or irreducible pseudoperfect number) is a natural number that has no semiperfect proper divisor. ... An untouchable number is an integer that can not be expressed as the sum of the proper divisors of any integer. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ... Tich Freeman (Alfred Percy Freeman; born May 17, 1888; died January 28, 1965) was a Kent leg spin bowler and the only man to take 300 wickets in an English season. ...

305 = 5·61, HTTP status code indicating a proxy must be used

306 = 2·3²·17, sum of four consecutive primes (71 + 73 + 79 + 83), pronic number, Harshad number, untouchable number A pronic number, or oblong number or heteromecic number, is a number which is the product of two consecutive nonnegative integers, that is, n(n + 1). ... A Harshad number, or Niven number, is an integer that is divisible by the sum of its digits in a given number base. ...

307, prime number, Chen prime, HTTP status code for "Temporary Redirect" In mathematics, a prime number (or a prime) is a natural number which has exactly two distinct natural number divisors: 1 and itself. ... A prime number p is called a Chen prime if p + 2 is either a prime or a product of two primes. ...

308 = 2²·7·11, Nontotient, totient sum of the first 31 integers, Harshad number. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

309 = 3·103

310s

310 = 2.5.31, sphenic number, noncototient, self number A sphenic number is a positive integer that is the product of three distinct prime factors. ... A noncototient is a positive integer n that can not be expressed as the difference between a positive integer m and the number of coprime integers below it. ... A self number or Colombian number is an integer which, in a given base, can not be generated by any other integer added to the sum of its digits. ...

311: see 311 (disambiguation). 311 may be a reference to: The year 311 AD 311 (number), the numerical value (mathematics) 311 (band), the musical act, or their self-titled album. ...

312 = 2³·3·13, Harshad number, self number, Zuckerman number. A self number or Colombian number is an integer which, in a given base, can not be generated by any other integer added to the sum of its digits. ... A Zuckerman number is an integer that is divisible by the product of its digits in a given number base. ...

313, prime number, palindromic prime, centered square number A palindromic prime is a prime number that is also a palindromic number. ... A centered square number is a centered figurate number that represents a square with a dot in the center and all other dots surrounding the center up to a certain city block distance, i. ...

314 = 2·157, Nontotient. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

315 = 3²·5·7, Harshad number, Zuckerman number FRE 315 FRE A Zuckerman number is an integer that is divisible by the product of its digits in a given number base. ...

316 = 2²·79, centered triangular number, centered heptagonal number A centered triangular number is a centered figurate number that represents a triangle with a dot in the center and all other dots surrounding the center in successive triangular layers. ... A centered heptagonal number is a centered figurate number that represents a heptagon with a dot in the center and all other dots surrounding the center dot in successive heptagonal layers. ...

317, prime number, Eisenstein prime with no imaginary part, Chen prime, strictly non-palindromic number An Eisenstein prime is an Eisenstein integer aω + b that has only two Eisenstein divisors, the complex cube root of unity and aω + b itself. ...

318 = 2·3·53, sphenic number, nontotient A sphenic number is a positive integer that is the product of three distinct prime factors. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

319 = 11·29, sum of three consecutive primes (103 + 107 + 109), Smith number, cannot be represented as the sum of fewer than 19 4th powers, Happy number, a song by Prince. A Smith number is a number which in a given base, the sum of its digits is equal to the sum of the digits in its factorization. ... A happy number is defined by the following process. ... The Artist redirects here. ...

320s

320 = 2⁶·5 = (2⁵)·(2·5), Leyland number, a popular bitrate, maximum determinant of a 10 by 10 matrix of zeros and ones, Harshad number. A Leyland number is an integer of the form xy + yx with 1 < x ≤ y. ... In telecommunications and computing, bitrate (sometimes written bit rate, data rate or as a variable Rbit) is the number of bits that are conveyed or processed per unit of time. ... In algebra, a determinant is a function depending on n that associates a scalar, det(A), to every n×n square matrix A. The fundamental geometric meaning of a determinant is as the scale factor for volume when A is regarded as a linear transformation. ... A Harshad number, or Niven number, is an integer that is divisible by the sum of its digits in a given number base. ...

321 = 3·107

322 = 2·7·23, sphenic number, nontotient, Harshad number, untouchable number. Also seen as a Skull and Bones reference of power A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ... For the pirate flag, see Jolly Roger. ...

323 = 17·19, sum of nine consecutive primes (19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53), Motzkin number, self number. In mathematics, a Motzkin number for a given number n is the number of different ways of drawing non-intersecting chords on a circle between n points. ...

324 = 2²·3⁴ = 18², sum of four consecutive primes (73 + 79 + 83 + 89), totient sum of the first 32 integers, untouchable number, Harshad number.

325 = 5²·13, triangular number, hexagonal number, nonagonal number, centered nonagonal number. 325 is the smallest number to be the sum of two squares in 3 different ways: 1² + 18² , 6² + 17² and 10² + 15². It is also the smallest (and only known) 3-hyperperfect number. A hexagonal number is a figurate number that represents a hexagon. ... A nonagonal number or enneagonal number is a figurate number that represents a nonagon. ... A centered nonagonal number is a centered figurate number that represents a nonagon with a dot in the center and all other dots surrounding the center dot in successive nonagonal layers. ... In mathematics, a k-hyperperfect number (sometimes just called hyperperfect number) is a natural number n for which the equality n = 1 + k(σ(n) − n − 1) holds, where σ(n) is the divisor function (i. ...

326 = 2·163, Nontotient, noncototient, untouchable number. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

327 = 3·109, perfect totient number; this number appears in all Star Wars movies. In number theory, a perfect totient number is an integer that is equal to the sum of its iterated totients. ... This article is about the series. ...

328 = 2³·41, sum of the first fifteen primes, refactorable number. A refactorable number or tau number is an integer n that is divisible by the count of its divisors, or to put it algebraically, n is such that . ...

329 = 7·47, sum of three consecutive primes (107 + 109 + 113), highly cototient number. In number theory, a branch of mathematics, a highly cototient number k is an integer that has more solutions to the equation x - φ(x) = k, where φ is Eulers totient function, than any integer below it, with the exception of 1. ...

330s

330 = 2·3·5·11, sum of six consecutive primes (43 + 47 + 53 + 59 + 61 + 67), pentatope number, divisible by the number of primes below it, sparsely totient number, Harshad number, also the number of dimples on a British golf ball. A pentatope number is a number in the fifth cell of any row of Pascals triangle starting with the 5-term row 1 4 6 4 1 either from left to right or from right to left. ... In mathematics, a sparsely totient number is a certain kind of natural number. ... A Harshad number, or Niven number, is an integer that is divisible by the sum of its digits in a given number base. ... A golf ball next to a hole A golf ball is a ball designed for use in the game of golf. ...

331, prime number, cuban prime, sum of five consecutive primes (59 + 61 + 67 + 71 + 73), centered pentagonal number, centered hexagonal number, Mertens function returns 0. A cuban prime is a prime number that is a solution to one of two different specific equations involving third powers of x and y. ... A centered pentagonal number is a centered figurate number that represents a pentagon with a dot in the center and all other dots surrounding the center in successive pentagonal layers. ... It has been suggested that this article or section be merged into Centered polygonal number. ... In number theory, the Mertens function is where μ(k) is the Möbius function. ...

332 = 2²·83, Mertens function returns 0.

333 = 3²·37, Mertens function returns 0, Harshad number. Shorthand for <333, meaning 'MUCH LOVE' (more 3's = more hearts) Symbolically used to represent Choronzon, a demon used in the philosophy of Thelema A Harshad number, or Niven number, is an integer that is divisible by the sum of its digits in a given number base. ... This article is about the Thelemic demon. ... Thelema is the English transliteration of the Ancient Greek noun : will, from the verb θέλω: to will, wish, purpose. ...

334 = 2·167, Nontotient, self number, long-time highest score in test match cricket (held by Sir Donald Bradman and Mark Taylor A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ... Test cricket is the longest form of the sport of cricket. ... This article is about the sport. ... Sir Donald George Bradman (August 27, 1908 - February 25, 2001) was an Australian cricket player who is universally regarded as the greatest batsman of all time, and one of Australias greatest popular heroes. ... People known as Mark Taylor include Mark Taylor (actor), Canadian television actor (Drop the Beat) Mark Taylor (broadcasting), publishing specialist and lover of mall punk Mark Taylor (choreographer), modern dance choreographer Mark Taylor (Columbine), Columbine High School massacre survivor Mark Taylor (cricketer), Australian cricketer Mark Taylor (driver), Indy Racing League...

335 = 5·67, divisible by the number of primes below it.

336 = 2⁴·3·7, Harshad number, untouchable number, also the number of dimples on an American golf ball. An untouchable number is an integer that can not be expressed as the sum of the proper divisors of any integer. ... This article is about the sport. ...

337, prime number, permutable prime with 373 and 733, Chen prime, star number In mathematics, a prime number (or a prime) is a natural number which has exactly two distinct natural number divisors: 1 and itself. ... A star number, or centered 12-gonal number, is a centered figurate number that represents a centered hexagram, such as the one that Chinese checkers are played on. ...

338 = 2·13², Nontotient. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

339 = 3·113

340s

340 = 2²·5·17, sum of eight consecutive primes (29 + 31 + 37 + 41 + 43 + 47 + 53 + 59), sum of ten consecutive primes (17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53), sum of the first four powers of 4 (4¹ + 4² + 4³ + 4⁴), divisible by the number of primes below it, nontotient, noncototient. This article discusses the number Four. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

341 = 11·31, sum of seven consecutive primes (37 + 41 + 43 + 47 + 53 + 59 + 61), octagonal number, centered cube number, super-Poulet number. 341 = 11·31 is the least composite odd modulus m greater than the base b, that satisfies the Fermat property "b^m-1 - 1 is divisible by m", for bases less than 100 of b = 2, 15, 60, 63 and 78. An octagonal number is a figurate number that represents an octagon. ... A centered cube number is a centered figurate number that represents a cube. ... A super-Poulet number is a Poulet number whose every divisor d divides 2d - 2. ...

342 = 2·3²·19, pronic number, Harshad number, untouchable number.

343 = 7³, nice Friedman number since 343 = (3 + 4)³. It is z in a triplet (x,y,z) such that x⁵ + y² = z³. The number of New York City Firefighters who died September 11, 2001. The number of the monitor of Installation 04 (343 Guilty Spark) in the Halo series of games. The panel number of the Russian T-80 tank driven by James Bond in the movie Golden Eye. A Friedman number is an integer which, in a given base, is the result of an expression using all its own digits in combination with any of the four basic arithmetic operators (+, -, ×, ÷) and sometimes exponentiation. ... The New York City Fire Department or the Fire Department of New York (FDNY) has the responsibility for protecting the citizens and property of New York Citys five boroughs from fires and fire hazards, as well as providing first response to biological, chemical and radioactive hazards. ... The World Trade Center on fire The September 11, 2001 attacks were a series of coordinated terrorist attacks against the United States on September 11, 2001. ... 343 Guilty Spark (pronounced three-four-three) is a fictional character featured in the video games Halo: Combat Evolved (and its novelisation, Halo: The Flood) Halo 2 and Halo 3. ... It has been suggested that Covenant Vehicles in Halo be merged into this article or section. ... The T-80 is a Soviet/Russian/Ukrainian main battle tank. ... This article is about the spy series. ... GoldenEye is a 1995 spy film. ...

344 = 2³·43, octahedral number, noncototient, totient sum of the first 33 integers, refactorable number. An octahedral number is a figurate number that represents an octahedron, or two pyramids placed together, one upside-down underneath the other. ...

345 = 3·5·23, sphenic number, self number.

346 = 2·173, Smith number, noncototient.

347, prime number, safe prime, Eisenstein prime with no imaginary part, Chen prime, Friedman number since 347 = 7³ + 4, strictly non-palindromic number. A safe prime is a prime number of the form 2p + 1, where p is also a prime. ... An Eisenstein prime is an Eisenstein integer aω + b that has only two Eisenstein divisors, the complex cube root of unity and aω + b itself. ...

348 = 2²·3·29, sum of four consecutive primes (79 + 83 + 89 + 97), refactorable number.

349, prime number, sum of three consecutive primes (109 + 113 + 127), the number of seats in the Swedish parliament. The Riksdag or Sveriges Riksdag is the Parliament of Sweden. ...

350s

350 = 2·5²·7, primitive semiperfect number, divisible by the number of primes below it, nontotient. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

351 = 3³·13, triangular number, sum of five consecutive primes (61 + 67 + 71 + 73 + 79), member of Padovan sequence, Harshad number. The Padovan sequence is the sequence of integers P(n) defined by the initial values and the recurrence relation The first few values of P(n) are 1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12, 16, 21, 28, 37, 49, 65, 86, 144, 151, 200. ...

352 = 2⁵·11, the number of n-Queens Problem solutions for n = 9. One possible solution The eight queens puzzle is the problem of putting eight chess queens on an 8×8 chessboard such that none of them is able to capture any other using the standard chess queens moves. ...

353, prime number, Chen prime, Proth prime, Eisenstein prime with no imaginary part, palindromic prime, Mertens function returns 0. 353 is the smallest 4th power that is the sum of 4 other 4th powers, discovered by Norrie in 1911: 353⁴ = 30⁴ + 120⁴ + 272⁴ + 215⁴. In number theory, a Proth number is a number of the form where k is odd, n is a positive integer, and 2n>k. ... Year 1911 (MCMXI) was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Saturday of the 13-day-slower Julian calendar). ...

354 = 2·3·59, sphenic number, nontotient, also SMTP code meaning start of mail input. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ... Simple Mail Transfer Protocol (SMTP) is the de facto standard for email transmission across the Internet. ...

355 = 5·71, Smith number, Mertens function returns 0, divisible by the number of primes below it.

356 = 2²·89, Mertens function returns 0, self number.

357 = 3·7·17, sphenic number.

358 = 2·179, sum of six consecutive primes (47 + 53 + 59 + 61 + 67 + 71), Mertens function returns 0. (358) Also Known as Viktor Lara in Southern Texas.

359, prime number, safe prime, Eisenstein prime with no imaginary part, Chen prime, strictly non-palindromic number.

360s

360, has its own article. 360 (three hundred and sixty) is the natural number following 359 and preceding 361. ...

361 = 19², centered triangular number, centered octagonal number, centered decagonal number, member of the Mian-Chowla sequence; also the number of positions on a standard 19 x 19 Go board. A centered octagonal number is a centered figurate number that represents an octagon with a dot in the center and all other dots surrounding the center dot in successive octagonal layers. ... A centered decagonal number is a centered figurate number that represents a decagon with a dot in the center and all other dots surrounding the center dot in successive decagonal layers. ... In mathematics, the Mian-Chowla sequence is a integer sequence with and recursively, for being the smallest integer such that each pairwise sum is distinct from the others, where and likewise for . ... Go is a strategic, two-player board game originating in ancient China between 2000 BC and 200 BC. Go is a popular game in East Asia. ...

362 = 2·181, Mertens function returns 0, nontotient, noncototient. Events February 21 - Athanasius returns to Alexandria. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

363 = 3·11², sum of nine consecutive primes (23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59), Mertens function returns 0, perfect totient number. 363 is a number inbetween 362 and 364. ...

364 = 2²·7·13, tetrahedral number, Mertens function returns 0, nontotient, Harshad number. It is a repdigit in base 3 (111111), base 9 (444), base 25 (EE), base 27 (DD), base 51 (77) and base 90 (44). The total number of gifts received in the song "The Twelve Days of Christmas". A pyramid with side length 5 contains 35 spheres. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ... In recreational mathematics, a repdigit is a natural number composed of repeated instances of the same digit, most often in the decimal numeral system. ... Twelve Days of Christmas is a traditional Christmas song, or Christmas carol. ...

365 = 5·73 = 10² + 11² + 12² = 13² + 14², centered square number, the approximate number of solar days in a tropical year. Several varieties of calendar have resulted from attempts to divide the 29.5-day lunar month and traditional 7-day week into the 365.25 day year. Previous number: 364 Next number: 366 365 is a semiprime centered square number. ... A centered square number is a centered figurate number that represents a square with a dot in the center and all other dots surrounding the center up to a certain city block distance, i. ... Solar time is based on the idea that, when the sun reaches its highest point in the sky, it is noon. ... A tropical year is the length of time that the Sun, as viewed from the Earth, takes to return to the same position along the ecliptic (its path among the stars on the celestial sphere). ... For other uses, see Calendar (disambiguation) A page from the Hindu calendar 1871–1872. ... In lunar calendars, a lunar month is the time between two successive similar syzygies (new moons or full moons). ...

366 = 2·3·61, sphenic number, Mertens function returns 0, noncototient. Also, the number of days in a leap year; it is 26-gonal and 123-gonal. A sphenic number is a positive integer that is the product of three distinct prime factors. ... For the 1921 film starring Fatty Arbuckle, see Leap Year (film). ...

367, Is a prime number, self number and a strictly non-palindromic number.

368 = Is 2⁴·23, it is also a Leyland number. A Leyland number is an integer of the form xy + yx with 1 < x ≤ y. ...

369 is the magic constant of the 9×9 normal magic square and n-Queens Problem for n = 9; there are 369 free polyominoes of order 8. With 370, a Ruth-Aaron pair with only distinct prime factors counted. The magic constant of a magic square, an n-by-n matrix, is defined such that the sum of any row, column or main diagonal yields the same result, denoted M2(n). ... In recreational mathematics, a magic square of order n is an arrangement of n² numbers, usually distinct integers, in a square, such that the n numbers in all rows, all columns, and both diagonals sum to the same constant. ... One possible solution The eight queens puzzle is the problem of putting eight chess queens on an 8×8 chessboard such that none of them is able to capture any other using the standard chess queens moves. ... The 35 possible hexominoes. ... A Ruth-Aaron pair consists of two consecutive integers (e. ...

370s

370 = Armstrong number since 3³ + 7³ + 0³ = 370, 2·5·37, sphenic number, sum of four consecutive primes (83 + 89 + 97 + 101), Nontotient, with 369 part of a Ruth-Aaron pair with only distinct prime factors counted, Harshad number. In number theory, a narcissistic number or pluperfect digital invariant (PPDI) or Armstrong number is a number that is the sum of its own digits to the power of the number of digits. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

371 = 7·53, Armstrong number since 3³ + 7³ + 1³ = 371, sum of three consecutive primes (113 + 127 + 131), sum of seven consecutive primes (41 + 43 + 47 + 53 + 59 + 61 + 67), sum of the primes from its least to its greatest prime factor (sequence A055233 in OEIS), the next such composite number is 2935561623745. In number theory, a narcissistic number or pluperfect digital invariant (PPDI) or Armstrong number is a number that is the sum of its own digits to the power of the number of digits. ... The On-Line Encyclopedia of Integer Sequences (OEIS) is an extensive searchable database of integer sequences, freely available on the Web. ...

372 = 2²·3·31, sum of eight consecutive primes (31 + 37 + 41 + 43 + 47 + 53 + 59 + 61), Harshad number, noncototient, untouchable number, refactorable number.

373, prime number, balanced prime, sum of five consecutive primes (67 + 71 + 73 + 79 + 83), permutable prime with 337 and 733, palindromic prime. A balanced prime is a prime number that is equal to the arithmetic mean of the nearest prime above and below. ...

374 = 2·11·17, sphenic number, nontotient. A sphenic number is a positive integer that is the product of three distinct prime factors. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

375 = 3·5³, Harshad number

376 = 2³·47, 1-automorphic number, nontotient, refactorable number. In mathematics an automorphic number (sometimes referred to as a circular number) is a number whose square ends in the number itself. ... A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

377 = 13·29, Fibonacci number, sum of the squares of the first six primes. A tiling with squares whose sides are successive Fibonacci numbers in length A Fibonacci spiral, created by drawing arcs connecting the opposite corners of squares in the Fibonacci tiling shown above – see golden spiral In mathematics, the Fibonacci numbers form a sequence defined by the following recurrence relation: That is...

378 = 2·3³·7, triangular number, hexagonal number, Smith number, Harshad number, self number.

379, prime number, Chen prime.

380s

380 = 2²·5·19, pronic number, also, model number of the Airbus A380, the largest aircraft as of 2005. The Airbus A380 is a double-deck, wide-body, four-engine airliner manufactured by the European corporation Airbus, an EADS subsidiary. ...

381 = 3·127, sum of the first sixteen primes. Palindrome in base 2 and base 8. Represents the term "I Love You", (3) words, (8) letters, (1) meaning.

382 = 2·191, sum of ten consecutive primes (19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59), Smith number.

383, prime number, safe prime, Woodall prime, Thabit number, Eisenstein prime with no imaginary part, palindromic prime. In mathematics, a Woodall number or Riesel number is a natural number of the form n · 2n − 1 (written Wn). ... A Thabit number is an integer of the form . ...

384 = 2⁷·3, sum of a twin prime (191 + 193), sum of six consecutive primes (53 + 59 + 61 + 67 + 71 + 73), double factorial of 8, sum of the totient sums of the first 35 integers, refactorable number, Zuckerman number. Three hundred and eighty four is an even composite positive integer. ... In mathematics, the factorial of a natural number n is the product of the positive integers less than or equal to n. ... Look up eight in Wiktionary, the free dictionary. ...

385 = 5·7·11, sphenic number, square pyramidal number. A pyramidal number, or square pyramidal number, is a figurate number that represents a pyramid with a base and four sides. ...

386 = 2·193, Nontotient, noncototient, nonagonal number, centered heptagonal number, also shorthand for the Intel 80386 microprocessor chip. 386 generation refers to South Koreans, especially politicians, born in the '60s (ko:386 세대). Number of Pokémon in 3rd Generation National Pokédex. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ... The Intel386[1] is a microprocessor which was used as the central processing unit (CPU) of many personal computers from 1986 until 2007. ... The National Pokémon Indexer, or National Pokédex for short, is a Pokémon Encyclopedia that is used in the popular video game franchise Pokémon. ...

387 = 3²·43, also shorthand for the Intel 80387, math coprocessor chip to the 386.

388 = 2²·97

389, prime number, Eisenstein prime with no imaginary part, Chen prime, highly cototient number, self number, strictly non-palindromic number. Also, 389 equals the displacement in cubic inches of the famous Pontiac GTO V-8 engine of 1964-1966. Smallest conductor of a rank 2 Elliptic curve. A catalog of elliptic curves. ...

390s

390 = 2·3·5·13, sum of four consecutive primes (89 + 97 + 101 + 103), nontotient. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

391 = 17·23, Smith number, centered pentagonal number.

392 = 2³·7², Harshad number.

393 = 3·131, Mertens function returns 0.

394 = 2·197, Nontotient, noncototient. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

395 = 5·79, sum of three consecutive primes (127 + 131 + 137), sum of five consecutive primes (71 + 73 + 79 + 83 + 89).

396 = 2²·3²·11, sum of a twin prime (197 + 199), totient sum of the first 36 integers, refactorable number, Harshad number.

397, prime number, cuban prime, centered hexagonal number.

398 = 2·199, Nontotient. A nontotient is a positive integer n which is not in the range of Eulers totient function φ, that is, for which φ(x) = n has no solution. ...

399 = 3·7·19, sphenic number, smallest Lucas-Carmichael number, Harshad number. In mathematics, a Lucas-Carmichael number is a positive integer n such that if p is a prime factor of n, then p + 1 is a factor of n + 1. ...