freeCodeCamp/guide/english/mathematics/hexadecimal-number-system/index.md

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Hexadecimal Number System

Hexadecimal Number System:

Hexadecimal number system is a numbering system that uses base 16. Hexa = 6 and decimal = 10, combination of 'hexa' and 'decimal' gives use the base 16 number system. The numbers in hexadecimal are: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 = A, 11 = B, 12 = C, 13 = D, 14 = E and 15 = F. The hexadecimal number system is very useful in the field of computing like Cryptography.

More Information:

Wikipedia