The folowing table expresses '731' 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 | 1011011011 | 111 | 11,10 | 1 | ||||||
| 3 | 1000002 | 10 | 1 | |||||||
| 4 | 23123 | 23,11 | 2 | |||||||
| 5 | 10411 | 12 | 3 | |||||||
| 6 | 3215 | 15,10 | 1 | |||||||
| 7 | 2063 | 14 | 5 | |||||||
| 8 | 1333 | 12 | 3 | |||||||
| 9 | 1002 | 3 | ||||||||
| 10 | 731 | 11 | 2 | |||||||
| 11 | 605 | 10 | 1 | |||||||
| 12 | 50B | 14 | 5 | |||||||
| 13 | 443 | B | ||||||||
| 14 | 3A3 | 12 | 3 | |||||||
| 15 | 33B | 12 | 3 | |||||||
| 16 | 2DB | 1A | B |
Factors: 17 * 43
731 is in the Pythagorean Triple: (731, 780, 1069).