The folowing table expresses '819' 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 | 1100110011 | 110 | 10 | 1 | ||||||
| 3 | 1010100 | 10 | 1 | |||||||
| 4 | 30303 | 21 | 3 | |||||||
| 5 | 11234 | 21 | 3 | |||||||
| 6 | 3443 | 22 | 4 | |||||||
| 7 | 2250 | 12 | 3 | |||||||
| 8 | 1463 | 16 | 7 | |||||||
| 9 | 1110 | 3 | ||||||||
| 10 | 819 | 18 | 9 | |||||||
| 11 | 685 | 18 | 9 | |||||||
| 12 | 583 | 14 | 5 | |||||||
| 13 | 4B0 | 12 | 3 | |||||||
| 14 | 427 | D | ||||||||
| 15 | 399 | 16 | 7 | |||||||
| 16 | 333 | 9 |
Factors: 32 * 7 * 13
819 is in the Pythagorean Triple: (819, 1900, 2069).