The folowing table expresses '407' 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 | 110010111 | 110 | 10 | 1 | |||||
| 3 | 120002 | 12,10 | 1 | ||||||
| 4 | 12113 | 20 | 2 | ||||||
| 5 | 3112 | 12 | 3 | ||||||
| 6 | 1515 | 20 | 2 | ||||||
| 7 | 1121 | 5 | |||||||
| 8 | 627 | 17,10 | 1 | ||||||
| 9 | 502 | 7 | |||||||
| 10 | 407 | 11 | 2 | ||||||
| 11 | 340 | 7 | |||||||
| 12 | 29B | 1A | B | ||||||
| 13 | 254 | B | |||||||
| 14 | 211 | 4 | |||||||
| 15 | 1C2 | 10 | 1 | ||||||
| 16 | 197 | 11 | 2 |
Factors: 11 * 37
407 is in the Pythagorean Triple: (407, 624, 745).