The folowing table expresses '625' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1001110001 | 101 | 10 | 1 | ||||||
| 3 | 212011 | 21,10 | 1 | |||||||
| 4 | 21301 | 13,10 | 1 | |||||||
| 5 | 10000 | 1 | ||||||||
| 6 | 2521 | 14 | 5 | |||||||
| 7 | 1552 | 16,10 | 1 | |||||||
| 8 | 1161 | 11 | 2 | |||||||
| 9 | 764 | 18,10 | 1 | |||||||
| 10 | 625 | 13 | 4 | |||||||
| 11 | 519 | 14 | 5 | |||||||
| 12 | 441 | 9 | ||||||||
| 13 | 391 | 10 | 1 | |||||||
| 14 | 329 | 10 | 1 | |||||||
| 15 | 2BA | 18 | 9 | |||||||
| 16 | 271 | A |
Factors: 54
625 is in the Pythagorean Triple: (336, 527, 625).