The folowing table expresses '649' 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 | 1010001001 | 100 | 1 | |||||||
3 | 220001 | 12,10 | 1 | |||||||
4 | 22021 | 13,10 | 1 | |||||||
5 | 10044 | 14,10 | 1 | |||||||
6 | 3001 | 4 | ||||||||
7 | 1615 | 16,10 | 1 | |||||||
8 | 1211 | 5 | ||||||||
9 | 801 | 10 | 1 | |||||||
10 | 649 | 19,10 | 1 | |||||||
11 | 540 | 9 | ||||||||
12 | 461 | B | ||||||||
13 | 3AC | 1C,10 | 1 | |||||||
14 | 345 | C | ||||||||
15 | 2D4 | 14 | 5 | |||||||
16 | 289 | 13 | 4 |
Factors: 11 * 59
649 is in the Pythagorean Triple: (649, 1680, 1801).