The folowing table expresses '1649' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR11 | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 11001110001 | 110 | 10 | 1 | |||||||
| 3 | 2021002 | 21,10 | 1 | ||||||||
| 4 | 121301 | 20 | 2 | ||||||||
| 5 | 23044 | 23,10 | 1 | ||||||||
| 6 | 11345 | 22 | 4 | ||||||||
| 7 | 4544 | 23 | 5 | ||||||||
| 8 | 3161 | 13 | 4 | ||||||||
| 9 | 2232 | 10 | 1 | ||||||||
| 10 | 1649 | 20 | 2 | ||||||||
| 11 | 126A | 18 | 9 | ||||||||
| 12 | B55 | 19 | A | ||||||||
| 13 | 99B | 23 | 5 | ||||||||
| 14 | 85B | 1A | B | ||||||||
| 15 | 74E | 1A | B | ||||||||
| 16 | 671 | E |
Factors: 17 * 97