The folowing table expresses '310' 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 | 100110110 | 101 | 10 | 1 | |||||
| 3 | 102111 | 20 | 2 | ||||||
| 4 | 10312 | 13,10 | 1 | ||||||
| 5 | 2220 | 11 | 2 | ||||||
| 6 | 1234 | 14 | 5 | ||||||
| 7 | 622 | 13 | 4 | ||||||
| 8 | 466 | 20 | 2 | ||||||
| 9 | 374 | 15 | 6 | ||||||
| 10 | 310 | 4 | |||||||
| 11 | 262 | A | |||||||
| 12 | 21A | 11 | 2 | ||||||
| 13 | 1AB | 19 | A | ||||||
| 14 | 182 | B | |||||||
| 15 | 15A | 11 | 2 | ||||||
| 16 | 136 | A |
Factors: 2 * 5 * 31