The folowing table expresses '641' 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 | 1010000001 | 11,10 | 1 | |||||||
3 | 212202 | 100 | 1 | |||||||
4 | 22001 | 11 | 2 | |||||||
5 | 10031 | 10 | 1 | |||||||
6 | 2545 | 24,10 | 1 | |||||||
7 | 1604 | 14 | 5 | |||||||
8 | 1201 | 4 | ||||||||
9 | 782 | 18,10 | 1 | |||||||
10 | 641 | 11 | 2 | |||||||
11 | 533 | 10 | 1 | |||||||
12 | 455 | 12 | 3 | |||||||
13 | 3A4 | 14 | 5 | |||||||
14 | 33B | 13 | 4 | |||||||
15 | 2CB | 1A | B | |||||||
16 | 281 | B |
Factors: Prime
641 is in the Pythagorean Triple: (200, 609, 641).