The folowing table expresses '393' 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 | 110001001 | 100 | 1 | ||||||
| 3 | 112120 | 21,10 | 1 | ||||||
| 4 | 12021 | 12 | 3 | ||||||
| 5 | 3033 | 14,10 | 1 | ||||||
| 6 | 1453 | 21 | 3 | ||||||
| 7 | 1101 | 3 | |||||||
| 8 | 611 | 10 | 1 | ||||||
| 9 | 476 | 18,10 | 1 | ||||||
| 10 | 393 | 15 | 6 | ||||||
| 11 | 328 | 12 | 3 | ||||||
| 12 | 289 | 17 | 8 | ||||||
| 13 | 243 | 9 | |||||||
| 14 | 201 | 3 | |||||||
| 15 | 1B3 | 10 | 1 | ||||||
| 16 | 189 | 12 | 3 |
Factors: 3 * 131