Hex Digits

1 hex digit = 4 bits = 1 nibble.

Hex	Binary	Decimal	Hex	Binary	Decimal
0	0000	0	8	1000	8
1	0001	1	9	1001	9
2	0010	2	a	1010	10
3	0011	3	b	1011	11
4	0100	4	c	1100	12
5	0101	5	d	1101	13
6	0110	6	e	1110	14
7	0111	7	f	1111	15