The folowing table expresses '815' 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 | 1100101111 | 111 | 11,10 | 1 | ||||||
| 3 | 1010012 | 12,10 | 1 | |||||||
| 4 | 30233 | 23,11 | 2 | |||||||
| 5 | 11230 | 12 | 3 | |||||||
| 6 | 3435 | 23 | 5 | |||||||
| 7 | 2243 | 14 | 5 | |||||||
| 8 | 1457 | 21 | 3 | |||||||
| 9 | 1105 | 7 | ||||||||
| 10 | 815 | 14 | 5 | |||||||
| 11 | 681 | 14 | 5 | |||||||
| 12 | 57B | 1B,10 | 1 | |||||||
| 13 | 4A9 | 1A | B | |||||||
| 14 | 423 | 9 | ||||||||
| 15 | 395 | 12 | 3 | |||||||
| 16 | 32F | 14 | 5 |
Factors: 5 * 163