The folowing table expresses '680' 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 | 1010101000 | 100 | 1 | |||||||
3 | 221012 | 22,11 | 2 | |||||||
4 | 22220 | 20 | 2 | |||||||
5 | 10210 | 4 | ||||||||
6 | 3052 | 14 | 5 | |||||||
7 | 1661 | 20 | 2 | |||||||
8 | 1250 | 10 | 1 | |||||||
9 | 835 | 17 | 8 | |||||||
10 | 680 | 14 | 5 | |||||||
11 | 569 | 19 | A | |||||||
12 | 488 | 18 | 9 | |||||||
13 | 404 | 8 | ||||||||
14 | 368 | 13 | 4 | |||||||
15 | 305 | 8 | ||||||||
16 | 2A8 | 14 | 5 |
Factors: 23 * 5 * 17
680 is in the Pythagorean Triple: (111, 680, 689).