The folowing table expresses '2485' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR12 | DR11 | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 100110110101 | 111 | 11,10 | 1 | ||||||||
| 3 | 10102001 | 12,10 | 1 | |||||||||
| 4 | 212311 | 22,10 | 1 | |||||||||
| 5 | 34420 | 23,10 | 1 | |||||||||
| 6 | 15301 | 14 | 5 | |||||||||
| 7 | 10150 | 10 | 1 | |||||||||
| 8 | 4665 | 25 | 7 | |||||||||
| 9 | 3361 | 14 | 5 | |||||||||
| 10 | 2485 | 19,10 | 1 | |||||||||
| 11 | 195A | 23 | 5 | |||||||||
| 12 | 1531 | A | ||||||||||
| 13 | 1192 | 10 | 1 | |||||||||
| 14 | C97 | 20 | 2 | |||||||||
| 15 | B0A | 16 | 7 | |||||||||
| 16 | 9B5 | 19 | A |
Factors: 5 * 7 * 71
2 is the sum of the counting numbers from 1 to 70 (See 'The Sum/Product of the First N Counting Numbers').