The folowing table expresses '644' 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 | 1010000100 | 11,10 | 1 | |||||||
3 | 212212 | 101 | 2 | |||||||
4 | 22010 | 11 | 2 | |||||||
5 | 10034 | 13 | 4 | |||||||
6 | 2552 | 22 | 4 | |||||||
7 | 1610 | 11 | 2 | |||||||
8 | 1204 | 7 | ||||||||
9 | 785 | 22 | 4 | |||||||
10 | 644 | 14 | 5 | |||||||
11 | 536 | 13 | 4 | |||||||
12 | 458 | 15 | 6 | |||||||
13 | 3A7 | 17 | 8 | |||||||
14 | 340 | 7 | ||||||||
15 | 2CE | 1D | E | |||||||
16 | 284 | E |
Factors: 22 * 7 * 23
644 is in the Pythagorean Triples: (644, 2067, 2165), (333, 644, 725).