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 13 | 113 | 213 | 313 | 413 | 513 | 613 | 713 | 813 | 913 | a13 |
base 13 | 113 | 213 | 313 | 413 | 513 | 613 | 713 | 813 | 913 | a13 |
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 13 | 113 | 213 | 313 | 413 | 513 | 613 | 713 | 813 | 913 | a13 |