The folowing table expresses '431' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|
| 2 | 110101111 | 111 | 11,10 | 1 | |||||
| 3 | 120222 | 100 | 1 | ||||||
| 4 | 12233 | 23,11 | 2 | ||||||
| 5 | 3211 | 12 | 3 | ||||||
| 6 | 1555 | 24,10 | 1 | ||||||
| 7 | 1154 | 14 | 5 | ||||||
| 8 | 657 | 22 | 4 | ||||||
| 9 | 528 | 16 | 7 | ||||||
| 10 | 431 | 8 | |||||||
| 11 | 362 | 10 | 1 | ||||||
| 12 | 2BB | 20 | 2 | ||||||
| 13 | 272 | B | |||||||
| 14 | 22B | 11 | 2 | ||||||
| 15 | 1DB | 1A | B | ||||||
| 16 | 1AF | 1A | B |
Factors: Prime