World Library  
Flag as Inappropriate
Email this Article

100 (number)

Article Id: WHEBN0000407384
Reproduction Date:

Title: 100 (number)  
Author: World Heritage Encyclopedia
Language: English
Subject: Infobox number/range/doc, Infobox number/range, 101 (number), 2 (number), 99 (number)
Collection: Integers
Publisher: World Heritage Encyclopedia

100 (number)

99 100 101
Cardinal one hundred
Ordinal 100th
(one hundredth)
Factorization 22× 52
Divisors 1, 2, 4, 5, 10, 20, 25, 50, 100
Roman numeral C
Unicode symbol(s) C, ⅽ
Binary 11001002
Ternary 102013
Quaternary 12104
Quinary 4005
Senary 2446
Octal 1448
Duodecimal 8412
Hexadecimal 6416
Vigesimal 5020
Base 36 2S36
Greek numeral ρ
Arabic ١٠٠
Bengali ১০০
Chinese numeral 佰,百
Devanagari १००
Hebrew ק (Kuf)
Khmer ១០០
Tamil ௱, க00
Thai ร้อย, ๑๐๐

100 or one hundred (Roman numeral: )[1] is the natural number following 99 and preceding 101.

In medieval contexts, it may be described as the short hundred or five score in order to differentiate the English and Germanic use of "hundred" to describe the long hundred of six score or 120.


  • In mathematics 1
  • In science 2
  • In religion 3
  • In politics 4
  • In money 5
  • In other fields 6
  • In sports 7
  • See also 8
  • References 9
  • External links 10

In mathematics

100 is the square of 10 (in scientific notation it is written as 102). The standard SI prefix for a hundred is "hecto-".

100 is the basis of percentages (per cent meaning "per hundred" in Latin), with 100% being a full amount.

100 is the sum of the first nine prime numbers, as well as the sum of some pairs of prime numbers e.g., 3 + 97, 11 + 89, 17 + 83, 29 + 71, 41 + 59, and 47 + 53.

100 is the sum of the cubes of the first four integers (100 = 13 + 23 + 33 + 43). This is related by Nicomachus's theorem to the fact that 100 also equals the square of the sum of the first four integers: 100 = 102 = (1 + 2 + 3 + 4)2.[2]

26 + 62 = 100, thus 100 is a Leyland number.

100 is an 18-gonal number. It is divisible by the number of primes below it, 25 in this case. It can not be expressed as the difference between any integer and the total of coprimes below it, making it a noncototient. It can be expressed as a sum of some of its divisors, making it a semiperfect number.

100 is a Harshad number in base 10, and also in base 4, and in that base it is a self-descriptive number.

There are exactly 100 prime numbers whose digits are in strictly ascending order (e.g. 239, 2357 etc.).

100 is the smallest number whose common logarithm is a prime number (i.e. 10n for which n is prime).

In science

One hundred is the atomic number of fermium, an actinide.

On the Celsius scale, 100 degrees is the boiling temperature of pure water at sea level.

The Kármán line lies at an altitude of 100 kilometres above the Earth's sea level and is commonly used to define the boundary between Earth's atmosphere and outer space.

In religion

  • There are 100 blasts of the Shofar heard in the service of Rosh Hashana, the Jewish New Year.[3]
  • A religious Jew is expected to utter at least 100 blessings daily.[4]
  • In Hindu Religion - Mythology Book Mahabharata - Kauravas has 100 sons.

In politics

The United States Senate has 100 Senators.

In money

Most of the world's currencies are divided into 100 subunits; for example, one euro is one hundred cents and one pound sterling is one hundred pence.

The 100 Euro banknotes feature a picture of a Rococo gateway on the obverse and a Baroque bridge of the reverse.

The U.S. hundred-dollar bill has Benjamin Franklin's portrait; the "Benjamin" is the largest U.S. bill in print. American savings bonds of $100 have Thomas Jefferson's portrait, while American $100 treasury bonds have Andrew Jackson's portrait.

The U.S. hundred-dollar bill, Series 2009.

In other fields

One hundred is also:

In sports

See also


  1. ^ Reïnforced by but not originally derived from Latin centum.
  2. ^ "Sloane's A000537 : Sum of first n cubes; or n-th triangular number squared", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ^ Insights, September 28, 2011.
  4. ^ Leo Rosten, The Joys of Yiddish (1968), page 52.
  5. ^ Grasso, John (2013), Historical Dictionary of Football, Scarecrow Press, p. 133,  .
  6. ^ Wisden Cricketers’ Almanack 2011, pp. 1270-72, lists of double hundreds, hundreds, fastest hundreds etc., ed. Scyld Berry, pub John Wisden & Co Ltd. (April 2011). ISBN 978-1-4081-3130-5.
  7. ^ ESPN Cricinfo list of centuries;class=1
  8. ^ Wilt Chamberlain. (14 September 2010). In Basketball Legend Chamberlain Dies at 63. Retrieved September 14, 2010 from

External links

  • On the Number 100
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.