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 9 | 19 | 29 | 39 | 49 | 59 | 69 | 79 | 89 | 109 | 119 |
base 9 | 19 | 29 | 39 | 49 | 59 | 69 | 79 | 89 | 109 | 119 |
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 9 | 19 | 29 | 39 | 49 | 59 | 69 | 79 | 89 | 109 | 119 |