The folowing table expresses '615' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1001100111 | 110 | 10 | 1 | ||||||
| 3 | 211210 | 21,10 | 1 | |||||||
| 4 | 21213 | 21 | 3 | |||||||
| 5 | 4430 | 21 | 3 | |||||||
| 6 | 2503 | 14 | 5 | |||||||
| 7 | 1536 | 21 | 3 | |||||||
| 8 | 1147 | 15 | 6 | |||||||
| 9 | 753 | 16 | 7 | |||||||
| 10 | 615 | 12 | 3 | |||||||
| 11 | 50A | 14 | 5 | |||||||
| 12 | 433 | A | ||||||||
| 13 | 384 | 12 | 3 | |||||||
| 14 | 31D | 13 | 4 | |||||||
| 15 | 2B0 | D | ||||||||
| 16 | 267 | F |
Factors: 3 * 5 * 41
615 is in the Pythagorean Triple: (615, 728, 953).