The folowing table expresses '620' 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 | 1001101100 | 101 | 10 | 1 | ||||||
| 3 | 211222 | 101 | 2 | |||||||
| 4 | 21230 | 20 | 2 | |||||||
| 5 | 4440 | 22 | 4 | |||||||
| 6 | 2512 | 14 | 5 | |||||||
| 7 | 1544 | 20 | 2 | |||||||
| 8 | 1154 | 13 | 4 | |||||||
| 9 | 758 | 22 | 4 | |||||||
| 10 | 620 | 8 | ||||||||
| 11 | 514 | A | ||||||||
| 12 | 438 | 13 | 4 | |||||||
| 13 | 389 | 17 | 8 | |||||||
| 14 | 324 | 9 | ||||||||
| 15 | 2B5 | 13 | 4 | |||||||
| 16 | 26C | 14 | 5 |
Factors: 22 * 5 * 31
620 is in the Pythagorean Triple: (620, 861, 1061).