The folowing table expresses '399' 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 | 110001111 | 110 | 10 | 1 | |||||
3 | 112210 | 21,10 | 1 | ||||||
4 | 12033 | 21 | 3 | ||||||
5 | 3044 | 21 | 3 | ||||||
6 | 1503 | 13 | 4 | ||||||
7 | 1110 | 3 | |||||||
8 | 617 | 16 | 7 | ||||||
9 | 483 | 16 | 7 | ||||||
10 | 399 | 21 | 3 | ||||||
11 | 333 | 9 | |||||||
12 | 293 | 12 | 3 | ||||||
13 | 249 | 12 | 3 | ||||||
14 | 207 | 9 | |||||||
15 | 1B9 | 16 | 7 | ||||||
16 | 18F | 18 | 9 |
Factors: 3 * 7 * 19
399 is in the Pythagorean Triples: (40, 399, 401), (399, 1600, 1649).