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256 (number)

← 255 256 257 →
Cardinal two hundred fifty-six
Ordinal 256th
(two hundred 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) is the natural number following 255 and preceding 257.

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

One octet (and in the most case 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:

256 is also:


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