The vigesimal or base 20 numeral system is based on twenty (in the same way in which the decimal numeral system is based on ten).
hexadecimal (base 16) | base 4 | hexadecimal (base 16) | base 4 |
---|---|---|---|
1 | = 1 | b | = 23 |
2 | = 2 | c | = 30 |
3 | = 3 | d | = 31 |
4 | = 10 | e | = 32 |
5 | = 11 | f | = 33 |
6 | = 12 | g | = 100 |
7 | = 13 | h | = 101 |
8 | = 20 | i | = 102 |
9 | = 21 | j | = 103 |
a | = 22 | 10 | = 110 |
base 4 | hexadecimal (base 16) | base 4 | hexadecimal (base 16) |
---|---|---|---|
1 | ≈ 1 | 23 | ≈ b |
2 | ≈ 2 | 30 | ≈ c |
3 | ≈ 3 | 31 | ≈ d |
10 | ≈ 4 | 32 | ≈ e |
11 | ≈ 5 | 33 | ≈ f |
12 | ≈ 6 | 100 | ≈ g |
13 | ≈ 7 | 101 | ≈ h |
20 | ≈ 8 | 102 | ≈ i |
21 | ≈ 9 | 103 | ≈ j |
22 | ≈ a | 110 | ≈ 10 |
hexadecimal (base 16) | base 4 |
---|---|
1 | = 1 |
2 | = 2 |
3 | = 3 |
4 | = 10 |
5 | = 11 |
6 | = 12 |
7 | = 13 |
8 | = 20 |
9 | = 21 |
a | = 22 |