The folowing table expresses '817' 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 | 1100110001 | 101 | 10 | 1 | ||||||
| 3 | 1010021 | 12,10 | 1 | |||||||
| 4 | 30301 | 13,10 | 1 | |||||||
| 5 | 11232 | 14,10 | 1 | |||||||
| 6 | 3441 | 20 | 2 | |||||||
| 7 | 2245 | 16,10 | 1 | |||||||
| 8 | 1461 | 14 | 5 | |||||||
| 9 | 1107 | 10 | 1 | |||||||
| 10 | 817 | 16 | 7 | |||||||
| 11 | 683 | 16 | 7 | |||||||
| 12 | 581 | 12 | 3 | |||||||
| 13 | 4AB | 1C,10 | 1 | |||||||
| 14 | 425 | B | ||||||||
| 15 | 397 | 14 | 5 | |||||||
| 16 | 331 | 7 |
Factors: 19 * 43
817 is in the Pythagorean Triple: (744, 817, 1105).