World Library  
Flag as Inappropriate
Email this Article

256 (number)

Article Id: WHEBN0000523821
Reproduction Date:

Title: 256 (number)  
Author: World Heritage Encyclopedia
Language: English
Subject: 257 (number), Power of two, 2 (number), Day of the Programmer, DBCS
Collection: Integers
Publisher: World Heritage Encyclopedia
Publication
Date:
 

256 (number)

255 256 257
Cardinal two hundred fifty-six
Ordinal 256th
(two hundred and fifty-sixth)
Factorization 28
Roman numeral CCLVI
Binary 1000000002
Ternary 1001113
Quaternary 100004
Quinary 20115
Senary 11046
Octal 4008
Duodecimal 19412
Hexadecimal 10016
Vigesimal CG20
Base 36 7436

256 (two hundred [and] fifty-six, CCLVI) is the natural number following 255 and preceding 257.

Contents

  • In mathematics 1
  • In computing 2
  • In other fields 3
  • References 4

In mathematics

256 is a composite number, with the factorization 256 = 28, which makes it a power of two.

  • 256 is 4 raised to the 4th power, so in tetration notation 256 is 24.[1]
  • 256 is a perfect square (162).
  • 256 is the only 3-digit number that is zenzizenzizenzic. It is 2 to the 8th power or ((2^2)^2)^2.
  • 256 is the lowest number that is a product of eight prime factors.

In computing

One byte is equal to eight bits and has 28 or 256 possible values, counting from 0 to 255. The number 256 often appears in computer applications (especially on 8-bit systems) such as:

  • The typical number of different values in each color channel of a digital color image (256 values for red, 256 values for green, and 256 values for blue used for 24-bit color) (see color space).
  • The number of colors available in a GIF or a 256-color (8-bit) bitmap.
  • The number of characters in extended ASCII[2] and Latin-1.[3]
  • The number of columns available in a Microsoft Excel worksheet until Excel 2007.[4]
  • The split-screen level in Pacman, which results from the use of a single byte to store the internal level counter.
  • A 256-bit integer can represent up to 1.1579209e+77 values.[5]
  • Number of bits in the SHA-256 cryptographic hash.
  • The branding number of nVidia's GeForce 256

In other fields

256 is also:

References

  1. ^ "Power Tower." MathWorld. Archived April 27, 2014 at the Wayback Machine
  2. ^ "ASCII character chart." Microsoft. Archived January 19, 2013 at the Wayback Machine
  3. ^ "Windows 28591." Microsoft. Archived July 24, 2013 at the Wayback Machine
  4. ^ "Improving Performance in Excel 2007: The ‘Big Grid’ and Increased Limits in Excel 2007." Microsoft. Archived December 7, 2013 at the Wayback Machine
  5. ^ Creator(s) Of Google. "Google Search Engine Tools Results". Retrieved 10 September 2015. 
  6. ^ Casserly, Meghan. "Why Women Watch The Olympics." Forbes. 2010-02-05. Archived May 22, 2013 at the Wayback Machine
  7. ^ Kelly DH, Sansone FE (1981). "Clinical estimation of fundamental frequency: the 3M Plastiform Magnetic Tape Viewer". J Commun Disord 14 (2): 123–5.  
  8. ^  
  9. ^  
  10. ^ "Gracenote Lyrics: Three-Five-Zero-Zero." Answers.com. Archived June 28, 2011 at the Wayback Machine
  11. ^ "Oxford Companion to Military History: infantry." Answers.com. Archived May 22, 2013 at the Wayback Machine
  12. ^ "2010 Winter Games." NBC Olympics. Archived March 1, 2014 at the Wayback Machine
  13. ^ Traikos, Michael, Canwest Olympic Team. "Bronze makes Apolo Ohno the most decorated Winter Olympian in U.S. history." The Vancouver Sun. 2010-02-20. Archived February 23, 2010 at the Wayback Machine
  14. ^ "Hands-On With The 256-Player MAG Beta." Game Informer. 2010-01-06. Archived October 18, 2012 at the Wayback Machine
  15. ^ Baron, Salo W. (1957). Social and Religious History of the Jews - V.4 Meeting of East and West (2nd ed.). Columbia University Press. p. 96.  
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 USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov 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.