The folowing table expresses '865' 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 | 1101100001 | 101 | 10 | 1 | ||||||
| 3 | 1012001 | 12,10 | 1 | |||||||
| 4 | 31201 | 13,10 | 1 | |||||||
| 5 | 11430 | 14,10 | 1 | |||||||
| 6 | 4001 | 5 | ||||||||
| 7 | 2344 | 16,10 | 1 | |||||||
| 8 | 1541 | 13 | 4 | |||||||
| 9 | 1161 | 10 | 1 | |||||||
| 10 | 865 | 19,10 | 1 | |||||||
| 11 | 717 | 14 | 5 | |||||||
| 12 | 601 | 7 | ||||||||
| 13 | 517 | 10 | 1 | |||||||
| 14 | 45B | 16 | 7 | |||||||
| 15 | 3CA | 1A | B | |||||||
| 16 | 361 | A |
Factors: 5 * 173
865 is in the Pythagorean Triples: (287, 816, 865), (504, 703, 865).