Word:

octal

Adj.1.octal - of or pertaining to a number system having 8 as its base; "an octal digit"
(mathematics)octal - Base 8. A number representation using the digits 0-7 only, with the right-most digit counting ones, the next counting multiples of 8, then 8^2 = 64, etc. For example, octal 177 is digital 127:

digit weight value 1 8^2 = 64 1* 64 = 64 7 8^1 = 8 7* 8 = 56 7 8^0 = 1 7* 1 = 7 --- 127

Octal system used to be widespread back when many computers used 6-bit bytes, as a 6-bit byte can be conveniently written as a two-digit octal number. Since nowadays a byte is almost always 8-bit long the octal system lost most of its appeal to the hexadecimal system.

For a brief discussion on the word `octal' see hexadecimal.
octal number system, octal numeration system
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octadecanoic acid
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-- octal --
octal digit
octal forty
octal notation
octal number system
octal numeration system
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octane
octane number
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