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| 256 | |
|---|---|
| Cardinal | two hundred [and] fifty-six |
| Ordinal | 256th (two hundred [and] fifty-sixth) |
| Factorization | 256 = 28 |
| Roman numeral | CCLVI |
| Binary | 1000000002 |
| Octal | 4008 |
| Duodecimal | 19412 |
| Hexadecimal | 10016 |
256 (two hundred [and] fifty-six, CCLVI) is the natural number following 255 and preceding 257.
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 fourth power, so in tetration notation 256 is 24.
Because 256 is the number of items counting from zero to the highest 8-bit binary number (255) it often appears in computer applications (8-bit systems being extremely common) such as:
- The number of different values in one byte, which makes it the typical number of different values in each color channel of a digital color image (see color space encoding).
- The number of columns in a standard Microsoft Excel worksheet.
- The Split-Screen Level in Pacman
- It is the largest 3-digit number that is an 8th power. 2 to the 8th power.
Two hundred fifty-six is also:
- The number of characters in the new Braille 8-dot system.
- The number of counties in Texas.
- An area code in Alabama.
- The number of regular season football games in the NFL and the number of picks in the NFL Draft.
- The frequency of Middle C in hertz under philosophical pitch.
- The number of the Amarna letter (EA256), which, according to David Rohl, was written by Ishbosheth and contains mentions of King David, Jesse, and Joab.
- The number of captured Viet Cong in a song "Three-Five-Zero-Zero" of Hair.
- The number of soldiers in the most basic unit of the Macedonian army.
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