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) | 120 | 220 | 320 | 420 | 520 | 620 | 720 | 820 | 920 | a20 |
base 18 | 118 | 218 | 318 | 418 | 518 | 618 | 718 | 818 | 918 | a18 |
base 18 | 118 | 218 | 318 | 418 | 518 | 618 | 718 | 818 | 918 | a18 |
hexadecimal (base 16) | 120 | 220 | 320 | 420 | 520 | 620 | 720 | 820 | 920 | a20 |
hexadecimal (base 16) | 120 | 220 | 320 | 420 | 520 | 620 | 720 | 820 | 920 | a20 |
---|---|---|---|---|---|---|---|---|---|---|
base 18 | 118 | 218 | 318 | 418 | 518 | 618 | 718 | 818 | 918 | a18 |