The folowing table expresses '321' 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 | 101000001 | 11,10 | 1 | ||||||
| 3 | 102220 | 21,10 | 1 | ||||||
| 4 | 11001 | 3 | |||||||
| 5 | 2241 | 14,10 | 1 | ||||||
| 6 | 1253 | 15,10 | 1 | ||||||
| 7 | 636 | 21 | 3 | ||||||
| 8 | 501 | 6 | |||||||
| 9 | 386 | 18,10 | 1 | ||||||
| 10 | 321 | 6 | |||||||
| 11 | 272 | 10 | 1 | ||||||
| 12 | 229 | 11 | 2 | ||||||
| 13 | 1B9 | 18 | 9 | ||||||
| 14 | 18D | 18 | 9 | ||||||
| 15 | 166 | D | |||||||
| 16 | 141 | 6 |
Factors: 3 * 107