140 is the natural number following 139 and preceding 141. Natural number can mean either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, 3, 4, ...). Natural numbers have two main purposes: they can be used for counting (there are 3 apples on the table), or they can be used for ordering (this is... 139 (One hundred thirty-nine) is the natural number following 138 and preceding 140. ... 141 is the natural number following 140 and preceding 142. ...

140 is an abundant number and a harmonic divisor number. It is the sum of the squares of the first seven integers, which makes it a square pyramidal number, and in base 10 it is divisible by the sum of its digits, which makes it a Harshad number. In linguistics, cardinal numbers is the name given to number words that are used for quantity (one, two, three), as opposed to ordinal numbers, words that are used for order (first, second, third). ... Commonly, ordinal numbers, or ordinals for short, are numbers used to denote the position in an ordered sequence: first, second, third, fourth, etc. ... This article is about the mathematical concept. ... 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. ... The binary or base-two numeral system is a system for representing numbers in which a radix of two is used; that is, each digit in a binary numeral may have either of two different values. ... The octal numeral system is the base-8 number system, and uses the digits 0 to 7. ... In mathematics and computer science, hexadecimal 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. ... In mathematics, an abundant number or excessive number is a number n for which σ(n) > 2n. ... A harmonic divisor number, or Ore number, is a number whose divisors, averaged in a harmonic mean, results in an integer. ... A pyramidal number, or square pyramidal number, is a figurate number that represents a pyramid with a base and four sides. ... A Harshad number, or Niven number, is an integer that is divisible by the sum of its digits in a given number base. ...

One hundred [and] forty is also:

• The designation of some spur routes of Interstate 40.
• The age Job died at (Holy Bible, Job 42:16).
• The year AD 140 or 140 BC.

Interstate 40 is a major west-east interstate highway in the United States. ... The Bible (From Greek βιβλια—biblia, meaning books, which in turn is derived from βυβλος—byblos meaning papyrus, from the ancient Phoenician city of Byblos which exported papyrus) is the sacred scripture of Christianity. ... For other uses, see number 140. ... Centuries: 3rd century BC - 2nd century BC - 1st century BC Decades: 190s BC 180s BC 170s BC 160s BC 150s BC - 140s BC - 130s BC 120s BC 110s BC 100s BC 90s BC Years: 145 BC 144 BC 143 BC 142 BC 141 BC - 140 BC - 139 BC 138 BC...

Other numbers in the 140s

One hundred [and] forty-one has its own article. 141 is the natural number following 140 and preceding 142. ...

One hundred [and] forty-two has its own article. 142 (one hundred forty-two, also one hundred and forty-two) is the natural number following 141 and preceding 143. ...

One hundred [and] forty-three (143, CXLIII) is the natural number following one hundred forty-two and preceding one hundred forty-four. It is a composite number, and its factorization is Natural number can mean either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, 3, 4, ...). Natural numbers have two main purposes: they can be used for counting (there are 3 apples on the table), or they can be used for ordering (this is...

This number is the sum of three consecutive primes (43 + 47 + 53), as well as the sum of seven consecutive primes (11 + 13 + 17 + 19 + 23 + 29 + 31). But this number is never the sum of an integer and its base 10 digits, making it a self 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. ...

Every positive integer is the sum of at most 143 seventh powers (see Waring's problem). In number theory, Warings problem, proposed in 1770 by Edward Waring, asks whether for every natural number k there exists an associated positive integer s such that every natural number is the sum of at most s kth powers of natural numbers. ...

One hundred [and] forty-three is also:

• The year AD 143 or 143 BC.

One hundred [and] forty-four has its own article. Events Births Emperor Chong of Han China Deaths Categories: 143 ... Centuries: 3rd century BC - 2nd century BC - 1st century BC Decades: 190s BC 180s BC 170s BC 160s BC 150s BC - 140s BC - 130s BC 120s BC 110s BC 100s BC 90s BC Years: 148 BC 147 BC 146 BC 145 BC 144 BC - 143 BC - 142 BC 141 BC... 144 is the natural number following 143 and preceding 145. ...

One hundred [and] forty-five has its own article. 145 is the natural number following 144 and preceding 146. ...

One hundred [and] forty-six (146, CXLVI) is the natural number following one hundred forty-five and preceding one hundred [and] forty-six. It is a triangular number and an octahedral number as well as a composite number, and its factorization is Natural number can mean either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, 3, 4, ...). Natural numbers have two main purposes: they can be used for counting (there are 3 apples on the table), or they can be used for ordering (this is... A triangular number is a number that can be arranged in the shape of an equilateral triangle. ... An octahedral number is a figurate number that represents an octahedron, or two pyramids placed together, one upside-down underneath the other. ...

It is a nontotient since there is no integer with 146 coprimes below it, and an untouchable number since there is no integer whose proper divisors add up to 146. 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 mathematics, the integers a and b are said to be coprime or relatively prime if and only if they have no common factor other than 1 and −1, or equivalently, if their greatest common divisor is 1. ... An untouchable number is an integer that can not be expressed as the sum of the proper divisors of any integer. ...

One hundred forty-six is also:

• The year AD 146 or 146 BC.

One hundred and forty-seven has its own article. Events Change of era name from Yongxi (1st year) to Benchu era of the Chinese Han Dynasty Change of emperor from Han Zhidi to Han Huandi of the Chinese Han Dynasty Births April 11 - Septimius Severus, Roman emperor Deaths Han Zhidi, emperor of Chinese Han Dynasty, poisoned Categories: 146 ... Centuries: 3rd century BC - 2nd century BC - 1st century BC Decades: 190s BC 180s BC 170s BC 160s BC 150s BC - 140s BC - 130s BC 120s BC 110s BC 100s BC 90s BC Years: 151 BC 150 BC 149 BC 148 BC 147 BC - 146 BC - 145 BC 144 BC... 147 is the natural number following 146 and preceding 148. ...

One hundred [and] forty-eight (148, CXLVIII) is the natural number following one hundred forty-seven and preceding one hundred forty-eight. It is a heptagonal number and a centered heptagonal number. It is a composite number, and its factorization Natural number can mean either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, 3, 4, ...). Natural numbers have two main purposes: they can be used for counting (there are 3 apples on the table), or they can be used for ordering (this is... A heptagonal number is a figurate number that represents a heptagon. ... 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. ...

One hundred [and] forty-eight is also:

• The number of singers, sons of Asaph, at the Census of men of Israel upon return from exile (Holy Bible, Nehemiah 7:44).
• The year AD 148 or 148 BC.

One hundred and forty-nine has its own article. Events Change of Patriarch of Constantinople from Patriarch Athendodorus to Patriarch Euzois An Shih Kao arrives in China. ... Centuries: 3rd century BC - 2nd century BC - 1st century BC Decades: 190s BC 180s BC 170s BC 160s BC 150s BC - 140s BC - 130s BC 120s BC 110s BC 100s BC 90s BC Years: 153 BC 152 BC 151 BC 150 BC 149 BC - 148 BC - 147 BC 146 BC... 149 is the natural number between 148 and 150. ...