The folowing table expresses '1621' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR11 | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 11001010101 | 110 | 10 | 1 | |||||||
| 3 | 2020001 | 12,10 | 1 | ||||||||
| 4 | 121111 | 13,10 | 1 | ||||||||
| 5 | 22441 | 23,10 | 1 | ||||||||
| 6 | 11301 | 10 | 1 | ||||||||
| 7 | 4504 | 16,10 | 1 | ||||||||
| 8 | 3125 | 13 | 4 | ||||||||
| 9 | 2201 | 5 | |||||||||
| 10 | 1621 | 10 | 1 | ||||||||
| 11 | 1244 | 10 | 1 | ||||||||
| 12 | B31 | 13 | 4 | ||||||||
| 13 | 979 | 1C,10 | 1 | ||||||||
| 14 | 83B | 18 | 9 | ||||||||
| 15 | 731 | B | |||||||||
| 16 | 655 | 10 | 1 |
Factors: Prime