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 15 | 115 | 215 | 315 | 415 | 515 | 615 | 715 | 815 | 915 | a15 |
base 15 | 115 | 215 | 315 | 415 | 515 | 615 | 715 | 815 | 915 | a15 |
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 15 | 115 | 215 | 315 | 415 | 515 | 615 | 715 | 815 | 915 | a15 |