Quinary (base-5 or pental) is a numeral system with five as the base. A possible origination of a quinary system is that there are five fingers on either hand.
| quinary (base 5) | 15 | 25 | 35 | 45 | 105 | 115 | 125 | 135 | 145 | 205 |
| hexadecimal (base 16) | 120 | 220 | 320 | 420 | 520 | 620 | 720 | 820 | 920 | a20 |
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 |
| quinary (base 5) | 15 | 25 | 35 | 45 | 105 | 115 | 125 | 135 | 145 | 205 |
| quinary (base 5) | 15 | 25 | 35 | 45 | 105 | 115 | 125 | 135 | 145 | 205 |
|---|---|---|---|---|---|---|---|---|---|---|
| hexadecimal (base 16) | 120 | 220 | 320 | 420 | 520 | 620 | 720 | 820 | 920 | a20 |