The folowing table expresses '931' 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 | 1110100011 | 110 | 10 | 1 | ||||||
| 3 | 1021111 | 21,10 | 1 | |||||||
| 4 | 32203 | 22,10 | 1 | |||||||
| 5 | 12211 | 12 | 3 | |||||||
| 6 | 4151 | 15,10 | 1 | |||||||
| 7 | 2500 | 10 | 1 | |||||||
| 8 | 1643 | 16 | 7 | |||||||
| 9 | 1244 | 12 | 3 | |||||||
| 10 | 931 | 13 | 4 | |||||||
| 11 | 777 | 1A,10 | 1 | |||||||
| 12 | 657 | 16 | 7 | |||||||
| 13 | 568 | 16 | 7 | |||||||
| 14 | 4A7 | 17 | 8 | |||||||
| 15 | 421 | 7 | ||||||||
| 16 | 3A3 | 10 | 1 |
Factors: 72 * 19
931 is in the Pythagorean Triple: (931, 1020, 1381).