The folowing table expresses '729' 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 | 1011011001 | 110 | 10 | 1 | ||||||
| 3 | 1000000 | 1 | ||||||||
| 4 | 23121 | 21 | 3 | |||||||
| 5 | 10404 | 14,10 | 1 | |||||||
| 6 | 3213 | 13 | 4 | |||||||
| 7 | 2061 | 12 | 3 | |||||||
| 8 | 1331 | 10 | 1 | |||||||
| 9 | 1000 | 1 | ||||||||
| 10 | 729 | 18 | 9 | |||||||
| 11 | 603 | 9 | ||||||||
| 12 | 509 | 12 | 3 | |||||||
| 13 | 441 | 9 | ||||||||
| 14 | 3A1 | 10 | 1 | |||||||
| 15 | 339 | 10 | 1 | |||||||
| 16 | 2D9 | 18 | 9 |
Factors: 36