The folowing table expresses '545' 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 | 1000100001 | 11,10 | 1 | |||||||
| 3 | 202012 | 21,10 | 1 | |||||||
| 4 | 20201 | 11 | 2 | |||||||
| 5 | 4140 | 14,10 | 1 | |||||||
| 6 | 2305 | 14 | 5 | |||||||
| 7 | 1406 | 14 | 5 | |||||||
| 8 | 1041 | 6 | ||||||||
| 9 | 665 | 18,10 | 1 | |||||||
| 10 | 545 | 14 | 5 | |||||||
| 11 | 456 | 14 | 5 | |||||||
| 12 | 395 | 15 | 6 | |||||||
| 13 | 32C | 14 | 5 | |||||||
| 14 | 2AD | 1B | C | |||||||
| 15 | 265 | D | ||||||||
| 16 | 221 | 5 |
Factors: 5 * 109
545 is in the Pythagorean Triples: (33, 544, 545), (184, 513, 545).