The difference between Hexadecimal and Octal

When used as nouns, hexadecimal means a number system with base 16, using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e and f, useful in computing as a hexadecimal digit can represent four bits, half a standard byte, whereas octal means the number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.

When used as adjectives, hexadecimal means of a number, expressed in hexadecimal, whereas octal means concerning numbers expressed in octal or mathematical calculations performed using octal.


check bellow for the other definitions of Hexadecimal and Octal

  1. Hexadecimal as a noun (arithmetic, computing, uncountable):

    A number system with base 16, using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F, useful in computing as a hexadecimal digit can represent four bits, half a standard byte.

  2. Hexadecimal as a noun (countable, computing):

    A number expressed in the hexadecimal system.

  1. Hexadecimal as an adjective:

    Of a number, expressed in hexadecimal.

  1. Octal as a noun (arithmetic, computing, uncountable):

    The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.

  2. Octal as a noun (arithmetic, computing, countable):

    A digit or value in the octal number system.

  1. Octal as an adjective (arithmetic, computing):

    Concerning numbers expressed in octal or mathematical calculations performed using octal.