The folowing table expresses '869' 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 | 1101100101 | 110 | 10 | 1 | ||||||
| 3 | 1012012 | 21,10 | 1 | |||||||
| 4 | 31211 | 20 | 2 | |||||||
| 5 | 11434 | 23,10 | 1 | |||||||
| 6 | 4005 | 13 | 4 | |||||||
| 7 | 2351 | 14 | 5 | |||||||
| 8 | 1545 | 17,10 | 1 | |||||||
| 9 | 1165 | 14 | 5 | |||||||
| 10 | 869 | 23 | 5 | |||||||
| 11 | 720 | 9 | ||||||||
| 12 | 605 | B | ||||||||
| 13 | 51B | 14 | 5 | |||||||
| 14 | 461 | B | ||||||||
| 15 | 3CE | 1E,10 | 1 | |||||||
| 16 | 365 | E |
Factors: 11 * 79
869 is in the Pythagorean Triple: (869, 3060, 3181).