The folowing table expresses '555' 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 | 1000101011 | 101 | 10 | 1 | ||||||
| 3 | 202120 | 21,10 | 1 | |||||||
| 4 | 20223 | 21 | 3 | |||||||
| 5 | 4210 | 12 | 3 | |||||||
| 6 | 2323 | 14 | 5 | |||||||
| 7 | 1422 | 12 | 3 | |||||||
| 8 | 1053 | 11 | 2 | |||||||
| 9 | 676 | 21 | 3 | |||||||
| 10 | 555 | 15 | 6 | |||||||
| 11 | 465 | 14 | 5 | |||||||
| 12 | 3A3 | 14 | 5 | |||||||
| 13 | 339 | 12 | 3 | |||||||
| 14 | 2B9 | 18 | 9 | |||||||
| 15 | 270 | 9 | ||||||||
| 16 | 22B | F |
Factors: 3 * 5 * 37
555 is in the Pythagorean Triple: (555, 572, 797).