The folowing table expresses '630' 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 | 1001110110 | 110 | 10 | 1 | ||||||
3 | 212100 | 20 | 2 | |||||||
4 | 21312 | 21 | 3 | |||||||
5 | 10010 | 2 | ||||||||
6 | 2530 | 14 | 5 | |||||||
7 | 1560 | 15 | 6 | |||||||
8 | 1166 | 16 | 7 | |||||||
9 | 770 | 15 | 6 | |||||||
10 | 630 | 9 | ||||||||
11 | 523 | A | ||||||||
12 | 446 | 12 | 3 | |||||||
13 | 396 | 15 | 6 | |||||||
14 | 330 | 6 | ||||||||
15 | 2C0 | E | ||||||||
16 | 276 | F |
Factors: 2 * 32 * 5 * 7
630 is the sum of the counting numbers from 1 to 35 (See 'The Sum/Product of the First N Counting Numbers').