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 28 | 128 | 228 | 328 | 428 | 528 | 628 | 728 | 828 | 928 | a28 |
base 28 | 128 | 228 | 328 | 428 | 528 | 628 | 728 | 828 | 928 | a28 |
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 28 | 128 | 228 | 328 | 428 | 528 | 628 | 728 | 828 | 928 | a28 |