140 (one hundred
ndforty) is the
natural number
In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country").
Numbers used for counting are called ''cardinal ...
following
139 and preceding
141 141 may refer to:
* 141 (number), an integer
* AD 141, a year of the Julian calendar
* 141 BC
__NOTOC__
Year 141 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Caepio and Pompeius (or ...
.
In mathematics
140 is an
abundant number
In number theory, an abundant number or excessive number is a number for which the sum of its proper divisors is greater than the number. The integer 12 is the first abundant number. Its proper divisors are 1, 2, 3, 4 and 6 for a total of 16. Th ...
and a
harmonic divisor number. It is the sum of the squares of the first seven integers, which makes it a
square pyramidal number.
140 is an odious number because it has an odd number of ones in its binary representation. The sum of
Euler's totient function φ(''x'') over the first twenty-one integers is 140.
140 is a
repdigit
In recreational mathematics, a repdigit or sometimes monodigit is a natural number composed of repeated instances of the same digit in a positional number system (often implicitly decimal). The word is a portmanteau of repeated and digit.
Example ...
in bases 13, 19, 27, 34, 69, and 139.
In other fields
140 is also:
* The number of varieties of ashes from different varieties of pipe, cigar, and cigarette tobacco included in the Sherlock Holmes monograph.
* The former
Twitter
Twitter is an online social media and social networking service owned and operated by American company Twitter, Inc., on which users post and interact with 280-character-long messages known as "tweets". Registered users can post, like, and ...
entry-character limit, a well-known characteristic of the service (based on the text messaging limit)
* A film, based on the Twitter entry-character limit, created and edited by Frank Kelly of Ireland
* The age that
Job died at
Job 42:16
/ref>
* The atomic number
The atomic number or nuclear charge number (symbol ''Z'') of a chemical element is the charge number of an atomic nucleus. For ordinary nuclei, this is equal to the proton number (''n''p) or the number of protons found in the nucleus of every ...
of unquadnilium, a temporary chemical element
A chemical element is a species of atoms that have a given number of protons in their nuclei, including the pure substance consisting only of that species. Unlike chemical compounds, chemical elements cannot be broken down into simpler sub ...
* PRO 140 antibody
An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. The antibody recognizes a unique molecule of the ...
found on T lymphocytes
A T cell is a type of lymphocyte. T cells are one of the important white blood cells of the immune system and play a central role in the adaptive immune response. T cells can be distinguished from other lymphocytes by the presence of a T-cell rec ...
of the human immune system
The immune system is a network of biological processes that protects an organism from diseases. It detects and responds to a wide variety of pathogens, from viruses to parasitic worms, as well as cancer cells and objects such as wood splint ...
* Telephone directory assistance in Egypt
Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Medit ...
* A video game
Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, controller, keyboard, or motion sensing device to generate visual feedback. This fee ...
developed by Jeppe Carlsen
*The BPM (tempo) of the music genre Dubstep
Dubstep is a genre of electronic dance music that originated in South London in the early 2000s. The style emerged as a UK garage offshoot that blended 2-step rhythms and sparse dub production, as well as incorporating elements of broken be ...
See also
* List of highways numbered 140
* United Nations Security Council Resolution 140
* United States Supreme Court cases, Volume 140
References
External links
The Natural Number 140
{{DEFAULTSORT:140 (Number)
Integers