The folowing table expresses '493' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|
| 2 | 111101101 | 111 | 11,10 | 1 | |||||
| 3 | 200021 | 12,10 | 1 | ||||||
| 4 | 13231 | 22,10 | 1 | ||||||
| 5 | 3433 | 23,10 | 1 | ||||||
| 6 | 2141 | 12 | 3 | ||||||
| 7 | 1303 | 10 | 1 | ||||||
| 8 | 755 | 21 | 3 | ||||||
| 9 | 607 | 14 | 5 | ||||||
| 10 | 493 | 16 | 7 | ||||||
| 11 | 409 | 12 | 3 | ||||||
| 12 | 351 | 9 | |||||||
| 13 | 2BC | 1C,10 | 1 | ||||||
| 14 | 273 | C | |||||||
| 15 | 22D | 12 | 3 | ||||||
| 16 | 1ED | 1C | D |
Factors: 17 * 29
493 is in the Pythagorean Triples: (132, 475, 493), (155, 468, 493), (276, 493, 565).