The folowing table expresses '1378' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR11 | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 10101100010 | 101 | 10 | 1 | |||||||
| 3 | 1220001 | 20 | 2 | ||||||||
| 4 | 111202 | 13,10 | 1 | ||||||||
| 5 | 21003 | 11 | 2 | ||||||||
| 6 | 10214 | 12 | 3 | ||||||||
| 7 | 4006 | 13 | 4 | ||||||||
| 8 | 2542 | 15 | 6 | ||||||||
| 9 | 1801 | 11 | 2 | ||||||||
| 10 | 1378 | 19,10 | 1 | ||||||||
| 11 | 1043 | 8 | |||||||||
| 12 | 96A | 21 | 3 | ||||||||
| 13 | 820 | A | |||||||||
| 14 | 706 | D | |||||||||
| 15 | 61D | 15 | 6 | ||||||||
| 16 | 562 | D |
Factors: 2 * 13 * 53
1 is the sum of the counting numbers from 1 to 52 (See 'The Sum/Product of the First N Counting Numbers').