The folowing table expresses '408' 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 | 110011000 | 100 | 1 | ||||||
| 3 | 120010 | 11 | 2 | ||||||
| 4 | 12120 | 12 | 3 | ||||||
| 5 | 3113 | 13 | 4 | ||||||
| 6 | 1520 | 12 | 3 | ||||||
| 7 | 1122 | 6 | |||||||
| 8 | 630 | 11 | 2 | ||||||
| 9 | 503 | 8 | |||||||
| 10 | 408 | 12 | 3 | ||||||
| 11 | 341 | 8 | |||||||
| 12 | 2A0 | 10 | 1 | ||||||
| 13 | 255 | C | |||||||
| 14 | 212 | 5 | |||||||
| 15 | 1C3 | 11 | 2 | ||||||
| 16 | 198 | 12 | 3 |
Factors: 23 * 3 * 17
408 is in the Pythagorean Triple: (145, 408, 433).