The Hexadecimal System
The hexadecimal numbering system is base-16 (as compared to base-10 for decimal numbers). It uses the following 16 characters:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F
A through F represent the decimal values 10 through 15.
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