The folowing table expresses '278' 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 | 100010110 | 100 | 1 | ||||||
| 3 | 101022 | 20 | 2 | ||||||
| 4 | 10112 | 11 | 2 | ||||||
| 5 | 2103 | 11 | 2 | ||||||
| 6 | 1142 | 12 | 3 | ||||||
| 7 | 545 | 20 | 2 | ||||||
| 8 | 426 | 14 | 5 | ||||||
| 9 | 338 | 15 | 6 | ||||||
| 10 | 278 | 17 | 8 | ||||||
| 11 | 233 | 8 | |||||||
| 12 | 1B2 | 12 | 3 | ||||||
| 13 | 185 | 11 | 2 | ||||||
| 14 | 15C | 14 | 5 | ||||||
| 15 | 138 | C | |||||||
| 16 | 116 | 8 |
Factors: 2 * 139