The folowing table expresses '989' 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 | 1111011101 | 1000 | 1 | |||||||
| 3 | 1100122 | 21,10 | 1 | |||||||
| 4 | 33131 | 23,11 | 2 | |||||||
| 5 | 12424 | 23,10 | 1 | |||||||
| 6 | 4325 | 22 | 4 | |||||||
| 7 | 2612 | 14 | 5 | |||||||
| 8 | 1735 | 20 | 2 | |||||||
| 9 | 1318 | 14 | 5 | |||||||
| 10 | 989 | 26 | 8 | |||||||
| 11 | 81A | 18 | 9 | |||||||
| 12 | 6A5 | 19 | A | |||||||
| 13 | 5B1 | 14 | 5 | |||||||
| 14 | 509 | 10 | 1 | |||||||
| 15 | 45E | 18 | 9 | |||||||
| 16 | 3DD | 1D | E |
Factors: 23 * 43