27 (twenty-seven) is the natural number following 26 and preceding 28. Twenty-seven is the smallest positive integer requiring four syllables to name in English, though it can be unambiguously defined in just two: "three cubed". In mathematics, a natural number can mean either an element of the set {1, 2, 3, ...} (i. ... 26 (twenty-six) is the natural number following 25 and preceding 27. ... 28 (twenty-eight) is the natural number following 27 and preceding 29. ...

← 20 21 22 23 24 25 26 27 28 29 → 19 (nineteen) is the natural number following 18 and preceding 20. ... 20 (twenty) is the natural number following 19 and preceding 21. ... 21 (twenty-one) is the natural number following 20 and preceding 22. ... 22 (twenty-two) is the natural number following 21 and preceding 23. ... This article is about the number 23. ... 24 (twenty-four) is the natural number following 23 and preceding 25. ... 25 (twenty-five) is the natural number following 24 and preceding 26. ... 26 (twenty-six) is the natural number following 25 and preceding 27. ... 28 (twenty-eight) is the natural number following 27 and preceding 29. ... 29 (twenty-nine) is the natural number following 28 and preceding 30. ... 30 (thirty) is the natural number following 29 and preceding 31. ... 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 10 20 30 40 50 60 70 80 90 → For other uses, see zero or 0. ... 10 (ten) is an even natural number following 9 and preceding 11. ... 20 (twenty) is the natural number following 19 and preceding 21. ... 30 (thirty) is the natural number following 29 and preceding 31. ... 40 (forty) is the natural number following 39 and preceding 41. ... 50 (fifty) is the number following 49 and preceding 51. ... 60 (sixty) is the natural number following 59 and preceding 61. ... Look up seventy in Wiktionary, the free dictionary. ... 80 (eighty) is the natural number following 79 and preceding 81. ... 90 (ninety) is the natural number preceded by 89 and followed by 91. ... 100 (one hundred) (the Roman numeral is C for centum) is the natural number following 99 and preceding 101. ...
Cardinal	27 twenty-seven
Ordinal	27th twenty-seventh
Factorization
Divisors	1, 3, 9, 27
Roman numeral	XXVII
Acrophonic Greek numeral	ΔΔΠΙΙ
Alphabetic Greek numeral	κζ´
Hebrew numeral	כז
Chinese numeral	二十七
Financial Chinese numeral	貳拾柒
Arabic numeral	٢٧ 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. ... Commonly, ordinal numbers, or ordinals for short, are numbers used to denote the position in an ordered sequence: first, second, third, fourth, etc. ... ... In mathematics, a divisor of an integer n, also called a factor of n, is an integer which evenly divides n without leaving a remainder. ... The system of Roman numerals is a numeral system originating in ancient Rome, and was adapted from Etruscan numerals. ... Greek numerals are a system of representing numbers using letters of the Greek alphabet. ... Greek numerals are a system of representing numbers using letters of the Greek alphabet. ... The system of Hebrew numerals is a quasi-decimal alphabetic numeral system using the letters of the Hebrew alphabet. ... Chinese numerals are characters for writing numbers in Chinese. ... Chinese numerals are characters for writing numbers in Chinese. ... Numerals sans-serif Arabic numerals, known formally as Hindu-Arabic numerals, and also as Indian numerals, Hindu numerals, Western Arabic numerals, European numerals, or Western numerals, are the most common symbolic representation of numbers around the world. ...
Binary (2)	11011
Negabinary (-2)	1101111
Ternary (3)	1000
Balanced ternary (-0+)	1000
Negaternary (-3)	12000
Quaternary (4)	123
Quinary (5)	102
Senary (6)	43
Septenary (7)	36
Octal (8)	33
Nonary (9)	30
Decimal (10)	27
Undecimal (11)	25
Duodecimal (12)	23
Tridecimal (13)	21
Hexadecimal (16)	1B
Vigesimal (20)	17
Quadrovigesimal (24)	13
Septemvigesimal (27)	10
Trigesimal (30)	R
Hexatridecimal (36)	R
Phinary (φ)	1010010.010101 111101.10111111

The binary numeral system, or base-2 number system, is a numeral system that represents numeric values using two symbols, usually 0 and 1. ... Negabinary (radix -2) is a fairly obscure numeral system used in the experimental Polish computers SKRZAT 1 and BINEG in 1950. ... Ternary or trinary is the base-3 numeral system. ... Ternary or trinary is the base-3 numeral system. ... Negaternary is a numeral system in which numbers are written as sums of successive powers of -3. ... Quaternary is the base four numeral system. ... Quinary (base-5) is a numeral system with five as the base. ... A senary numeral system is a base-six numeral system. ... The septenary numeral system is the base seven number system, and uses the digits 0-6. ... The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7. ... Nonary is a base 9 numeral system, typically using the digits 0-8, but not the digit 9. ... The decimal (base ten or occasionally denary) numeral system has ten as its base. ... The undecimal (base-11) positional notation system is based on the number eleven, rather than ten as in decimal or eight in octal and so on. ... The duodecimal (also known as base-12 or dozenal) system is a numeral system using twelve as its base. ... Base-13, tridecimal, or tredecimal is a positional numeral system with thirteen 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. ... The vigesimal or base-20 numeral system is based on twenty (in the same way in which the ordinary decimal numeral system is based on ten). ... As there are 24 hours in a day a numbering system based upon 24, and as the base 12 is convenient here some examples of the base 24 (quadrovigesimal) system. ... A Septemvigesimal numeral system has a base of twenty-seven. ... Base 30 or trigesimal is a positional numeral system using 30 as the radix. ... Base 36 refers to a positional numeral system using 36 as the radix. ... Golden ratio base refers to the use of the golden ratio, the irrational number ≈1. ...

In mathematics

Twenty-seven is a perfect cube, being 3³ = 3 × 3 × 3. 27 is 3↑↑2 (using Knuth's up-arrow notation). There are exactly 27 straight lines on a cubic surface. 27 is also a decagonal number. In arithmetic and algebra, the cube of a number n is its third power — the result of multiplying it by itself two times: n3 = n × n × n. ... In mathematics, Knuths up-arrow notation is a notation for very large integers introduced by Donald Knuth in 1976. ... A cubic surface is a projective variety studied in algebraic geometry. ... A decagonal number is a figurate number that represents a decagon. ...

In base 10, it is the first composite number not evenly divisible by any of its digits. It is the radix (base) of the septemvigesimal positional numeral system. A composite number is a positive integer which has a positive divisor other than one or itself. ... The radix (Latin for root), also called base, is the number of various unique symbols (or digits or numerals) a positional numeral system uses to represent numbers. ... A Septemvigesimal numeral system has a base of twenty-seven. ... A positional notation or place-value notation system is a numeral system in which each position is related to the next by a constant multiplier, a common ratio, called the base or radix of that numeral system. ... A numeral is a symbol or group of symbols, or a word in a natural language that represents a number. ...

In a prime reciprocal magic square of the multiples of 1/7, the magic constant is 27. In mathematics, a reciprocal is a number divided into one, like 1/3 or 1/7. ...

It is the twenty-eighth (and twenty-ninth) digit in π. (3.141592653589793238462643383279...). When a circles diameter is 1, its circumference is Ï€. The mathematical constant Ï€ is an irrational real number, approximately equal to 3. ...

If you start counting with 0 it is considered one of few Self-Locating strings in pi.

In base 10, it is a Smith number and a Harshad number. 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 Harshad number, or Niven number, is an integer that is divisible by the sum of its digits in a given number base. ...

The unique simple formally real Jordan algebra, the exceptional Jordan algebra of self-adjoint 3 by 3 matrices of quaternions, is 27-dimensional. In mathematics, a Jordan algebra is defined in abstract algebra as an algebra over a field with multiplication satisfying the following axioms: (commutative law) (Jordan identity) Jordan algebras were first introduced by Pascual Jordan in quantum mechanics. ... In mathematics, the quaternions are a non-commutative extension of the complex numbers. ...

In the Collatz conjecture (aka the "3n + 1 conjecture") a starting value of 27 requires 112 steps to reach 1, many more than any lower number. The Collatz conjecture is an unsolved conjecture in mathematics. ...

In science

• The atomic number of cobalt.

It has been suggested that List of elements by atomic number be merged into this article or section. ... wikipedia sucks big balls For other uses, see Cobalt (disambiguation). ...

Astronomy

• The Messier object M27, a magnitude 7.5 planetary nebula in the constellation Vulpecula, also known as the Dumbbell Nebula.
• The New General Catalogue object NGC 27, a spiral galaxy in the constellation Andromeda
• The Saros number of the solar eclipse series which began on -1993 March 9 and ended on -713 April 16. The duration of Saros series 27 was 1280.1 years, and it contained 72 solar eclipses. Further, the Saros number of the lunar eclipse series which began on -1944 July 17 and ended on -411 January 23. The duration of Saros series 27 was 1532.5 years, and it contained 86 lunar eclipses.
• The 27th moon of Jupiter is Sinope.
• Uranus has 27 moons

The Messier objects are a set of astronomical objects catalogued by Charles Messier in his catalogue of Nebulae and Star Clusters first published in 1774. ... Messier Object 27, the Dumbbell Nebula The Dumbbell Nebula (also known as Messier Object 27, M27, or NGC 6853) is a planetary nebula in the Vulpecula constellation, at a distance of about 1250 light years. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... NGC 6543, the Cats Eye Nebula A planetary nebula is an astronomical object consisting of a glowing shell of gas and plasma formed by certain types of stars at the end of their lives. ... This article or section does not adequately cite its references or sources. ... Vulpecula (IPA: , Latin: ) is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the bright stars Deneb, Vega and Altair. ... Messier Object 27, the Dumbbell Nebula The Dumbbell Nebula (also known as Messier Object 27, M27, or NGC 6853) is a planetary nebula in the Vulpecula constellation, at a distance of about 1250 light years. ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ... It has been suggested that spiral nebula be merged into this article or section. ... Andromeda (IPA: ) is a constellation named for the princess Andromeda (which is Greek for Ruler over men), a character in Greek mythology. ... A Saros cycle is a period of 6585 + 1/3 days (approximately 18 years 10 days and 8 hours) which can be used to predict eclipses of the Sun and the Moon. ... Photo taken during the 1999 eclipse. ... March 9 is the 68th day of the year in the Gregorian calendar (69th in leap years). ... April 16 is the 106th day of the year in the Gregorian calendar (107th in leap years). ... Time lapse movie of the 3 March 2007 lunar eclipse A lunar eclipse occurs whenever the Moon passes through some portion of the Earths shadow. ... is the 198th day of the year (199th in leap years) in the Gregorian calendar. ... is the 23rd day of the year in the Gregorian calendar. ... Atmospheric characteristics Atmospheric pressure 70 kPa Hydrogen ~86% Helium ~14% Methane 0. ... Atmospheric pressure 0 kPa Sinope (IPA: , si-noe-pee, Greek Σινώπη) is a moon of Jupiter discovered by Seth Barnes Nicholson at Lick Observatory in 1914, and is named after Sinope of Greek mythology. ...

In religion

• There are a total of 27 books in the New Testament

This article is about the Christian scriptures. ...

In music

• 27 is the name of a Boston-based pop band.
• The number of completed, numbered piano concertos by Wolfgang Amadeus Mozart and his birthday.
• The age in years at which many famous rock/blues musicians died, sometimes referred to as the 27 Club, which includes Robert Johnson, Brian Jones, Janis Joplin, Jimi Hendrix, Jim Morrison, Chris Bell, D. Boon, Rodrigo Bueno and Kurt Cobain. Occasionally, this is termed the "ideal" age to die, and the concept has inspired a brand of clothing, DeadAt27
• A number which American parodist "Weird Al" Yankovic hides somewhere in many of his songs and videos. [1]
• The number of "8 by 10 color glossy photographs with circles and arrows" in the song Alice's Restaurant by Arlo Guthrie
• In the song "The Ex" by Billy Talent off of their self-titled album, Ben says "So i sat in my room for 27 days, no she never called, i had something to say"
• The punk rock band Lagwagon has a song entitled Twenty Seven on their album Double Plaidinum.
• The punk rock band Pinhead Gunpowder released a song entitled 27 on their album Shoot the Moon.
• The number 27 is featured in many song lyrics and titles penned by Ben Weasel, in his bands Screeching Weasel and The Riverdales.
• The number 27 is known as the East Bay Punk scene's number.
• The punk band The Adicts use the number 27 in many song lyrics and released an album entitled "27"
• "27" is name of a song by Scottish band Biffy Clyro from their 2002 album, Blackened Sky.

Nickname: City on the Hill, Beantown, The Hub (of the Universe)1, Athens of America, The Cradle of Revolution, Puritan City, Americas Walking City Location in Massachusetts, USA Counties Suffolk County Mayor Thomas M. Menino(D) Area    - City 232. ... Wolfgang Amadeus Mozart (IPA: , baptized Johannes Chrysostomus Wolfgangus Theophilus Mozart) (January 27, 1756 – December 5, 1791) was a prolific and influential composer of the Classical era. ... This article needs additional references or sources for verification. ... This article includes a list of works cited or a list of external links, but its sources remain unclear because it lacks in-text citations. ... Lewis Brian Hopkin Jones (28 February 1942 – 3 July 1969) was the founding member, lead and rhythm guitarist and backing singer in the English rock group, The Rolling Stones. ... Janis Lyn Joplin (January 19, 1943 – 4 October 1970) was an American blues-influenced rock singer and occasional songwriter with a distinctive voice. ... This article contains a trivia section. ... This article needs additional references or sources for verification. ... Chris Bell can refer to: Chris Bell (musician) Chris Bell (politician) Chris Bell (rugby player) Chris Bell (author The Bumper Book of Lies, Liquidambar contributor The New Zealand Blogging Corporation) This human name article is a disambiguation page — a list of pages that might otherwise share the same title, which... D. Boon in 1985. ... Rodrigo Alejandro Bueno (b. ... Kurt Donald Cobain (February 20, 1967 – c. ... This article is about the musician himself. ... The former church where the story begins; the restaurant itself is roughly six miles north in Stockbridge, Massachusetts. ... Arlo Guthrie (born July 10, 1947) is an American folk singer. ... The Ex was the second single released from the Canadian punk rock music group Billy Talents debut self-titled album. ... Billy Talent is a Juno Award-winning Canadian rock band formed in 1993 in Mississauga, Ontario. ... -1... Double Plaidinum is the fourth album by Lagwagon, released on August 12, 1997 (see 1997 in music). ... Pinhead Gunpowder is an East Bay Punk Rock band consisting of Aaron Cometbus (drums, lyrics), Bill Schneider (bass), Billie Joe Armstrong (guitar, vocals) and Jason White (guitar, vocals). ... Ben Weasel (born Ben Foster in Chicago, Illinois) was the lead singer of punk rock bands Screeching Weasel and The Riverdales. ... Screeching Weasel was an American punk band from Chicago, Illinois. ... The Riverdales are an American punk rock music group. ... East Bay Township, Michigan East Bay (California) is a subregion of the San Francisco Bay Area East Bay (Rhode Island) is a region of Rhode Island This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Punk rock is an anti-establishment music movement that began about 1975 (although precursors can be found several years earlier), exemplified by The Ramones, the Sex Pistols, The Damned, and The Clash. ... The Adicts are an English Punk rock band from Ipswich. ... 27 was the first proper single from Biffy Clyro, and a track on their 2002 debut album, Blackened Sky. ... Motto (Latin) No one provokes me with impunity Cha togar mfhearg gun dioladh (Scottish Gaelic) Wha daur meddle wi me?(Scots)1 Anthem (Multiple unofficial anthems) Scotlands location in Europe and the United Kingdom Capital Edinburgh Largest city Glasgow Official languages English, Gaelic and Scots1 Government Constitutional monarchy... Biffy Clyro (often known colloquially as Biffy)[1] are a Scottish rock group from Ayrshire whose members are Simon Neil, James Johnston and Ben Johnston. ... For album titles with the same name, see 2002 (album). ... Blackened Sky is the debut album by Biffy Clyro, and the product of 4 years of touring and hard work by the band. ...

In other fields

Twenty-seven is also:

• The total number of letters in the Hebrew alphabet (22 regular letters and 5 final consonants)
• The number of letters in the Spanish alphabet
• Rusty Wallace's car number when he won the 1989 NASCAR Winston Cup championship.
• The number most commonly associated with F1 driver Gilles Villeneuve
• The current number of Amendments to the United States Constitution.
• The modal age of the peak performance year for major league baseball position players, according to a commonly accepted theory by sabermetrician Bill James
• The code for international direct-dial phone calls to South Africa
• With the number 37, a key number in comedian Charles Fleischer's concept of moleeds
• The designation (I-27) of a US interstate highway in Texas
• The designation (US 27) of a United States national highway from Fort Wayne, Indiana to Miami, Florida
• The name of a popular cigarette, Marlboro Blend No. 27
• The number of books in the first Xanth "trilogy"
• The number of outs in a regulation Professional baseball game.
• "The Bankers Case" on the U.S. Version of Deal or No Deal
• Among the Blue Man Group fan community, the 27th of every month is known as "Blue Man Day," because the shade of blue that Blue Man Group uses is cobalt, and cobalt is the 27th element in the Periodic Table, as mentioned above.

Note: This article contains special characters. ... The Spanish alphabet traditionally consists of the following 29 letters: A, B, C, Ch, D, E, F, G, H, I, J, K, L, Ll, M, N, Ñ, O, P, Q, R, S, T, U, V, W, X, Y, Z This includes the 26 letters of the Latin alphabet plus the letter... Russell William Rusty Wallace (born August 14, 1956 in Fenton, Missouri) is a former NASCAR champion, NASCAR Busch Series car owner, and television broadcaster with ESPN and ESPN on ABC. Wallace had his first live broadcast of the Indy 500 on May 28, 2006. ... Year 1989 (MCMLXXXIX) was a common year starting on Sunday (link displays 1989 Gregorian calendar). ... Jeff Burton (99), Elliott Sadler (38), Ricky Rudd (21), Dale Jarrett (88), Sterling Marlin (40), Jimmie Johnson (48), and Casey Mears (41) practice for the 2004 Daytona 500 The National Association for Stock Car Auto Racing (NASCAR) is the largest sanctioning body of motorsports in the United States. ... The NASCAR Championship is the championship held in NASCARs top stock car racing series. ... Joseph Gilles Henri Villeneuve (Gilles Villeneuve pronounced []) (January 18, 1950 – May 8, 1982) was a Canadian Formula One racing driver. ... The United States Constitution is the supreme law of the United States of America. ... In statistics, mode means the most frequent value assumed by a random variable, or occurring in a sampling of a random variable. ... A view of the playing field at Busch Memorial Stadium, St. ... Sabermetrics is the analysis of baseball through objective evidence, especially baseball statistics. ... George William “Bill” James (born October 5, 1949 in Holton, Kansas) is a baseball writer, historian and statistician whose work has been widely influential. ... 37 (thirty-seven) is the natural number following 36 and preceding 38. ... Charles Fleischer (born August 27, 1950) is an American actor, comedian and voice artist. ... Gotlandia Infantry Regiment, or Gotlands infanteriregemente, also I 18 or I 27, is a Swedish Army infantry regiment that traces its origins back to the 19th Century. ... Motto: (Out Of Many, One) (traditional) In God We Trust (1956 to date) Anthem: The Star-Spangled Banner Capital Washington D.C. Largest city New York City None at federal level (English de facto) Government Federal constitutional republic  - President George Walker Bush (R)  - Vice President Dick Cheney (R) Independence from... Interstate Highways in the lower 48 states. ... Official language(s) No Official Language See languages of Texas Capital Austin Largest city Houston Area  Ranked 2nd  - Total 261,797 sq mi (678,051 km²)  - Width 773 miles (1,244 km)  - Length 790 miles (1,270 km)  - % water 2. ... United States Highway 27 (US 27), is a north-south United States highway. ... Nickname: Location in the state of Indiana, USA Coordinates: , Country United States State Indiana County Allen Founded October 22, 1794 Incorporated February 22, 1840 Government  - Mayor Graham Richard (D)  - City Clerk Sandra Kennedy (D)  - City Council John N. Crawford (R) Samuel J. Talarico, Jr (R) John Shoaff (D) Tom Smith... Nickname: Location in Miami-Dade County and the state of Florida. ... Xanth is a fantasy world created by author Piers Anthony for a series of novels. ... Linda de Mol host of Miljoenenjacht (and the sister of Endemols founder), enters the game shows set. ... Blue Man Group (Blue Man, BMG) is a creative organization founded by Phil Stanton, Chris Wink, and Matt Goldman; it is centered on a trio of mute performers, called Blue Men, who present themselves in blue grease paint, latex bald caps, and black clothing. ... Cobalt is a cool, slightly desaturated blue, historically made using cobalt salts. ... wikipedia sucks big balls For other uses, see Cobalt (disambiguation). ... The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised by English analytical chemist John Newlands in 1863. ...

Historical years

27 A.D., 27 B.C., 1927, 2027, etc. Events The Emperor Tiberius retires to Capri, leaving the praetorian prefect Sejanus in charge of both Rome and the Empire. ... Centuries: 2nd century BC - 1st century BC - 1st century Decades: 70s BC 60s BC 50s BC 40s BC 30s BC - 20s BC - 10s BC 0s 10s 20s 30s Years: 32 BC 31 BC 30 BC 29 BC 28 BC 27 BC 26 BC 25 BC 24 BC 23 BC 22... Year 1927 (MCMXXVII) was a common year starting on Saturday (link will display full calendar) of the Gregorian calendar. ... 2027 (MMXXVII) will be a common year starting on Friday of the Gregorian calendar. ...

References

• Mystery of the number 27 - Large collection of 27 related trivia and facts.
• Prime Curios! 27 from the Prime Pages