The folowing table expresses '991' 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 | 1111011111 | 1001 | 10 | 1 | ||||||
3 | 1100201 | 12,10 | 1 | |||||||
4 | 33133 | 31,10 | 1 | |||||||
5 | 12431 | 21 | 3 | |||||||
6 | 4331 | 15,10 | 1 | |||||||
7 | 2614 | 16,10 | 1 | |||||||
8 | 1737 | 22 | 4 | |||||||
9 | 1321 | 7 | ||||||||
10 | 991 | 19,10 | 1 | |||||||
11 | 821 | 10 | 1 | |||||||
12 | 6A7 | 1B,10 | 1 | |||||||
13 | 5B3 | 16 | 7 | |||||||
14 | 50B | 12 | 3 | |||||||
15 | 461 | B | ||||||||
16 | 3DF | 1F,10 | 1 |
Factors: Prime