Binary, Octal, Decimal, Hexadecimal

Binary	Octal	Decimal	Hexadecimal
(Base 2)	(Base 8)		(Base 16)
0
1
10	2
11	3
100	4
101	5
110	6
111	7
1000	10	8
1001	11	9
1010	12	10	A
1011	13	11	B
1100	14	12	C
1101	15	13	D
1110	16	14	E
1111	17	15	F
10000	20	16	10