The folowing table expresses '491' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|---|
| 2 | 111101011 | 111 | 11,10 | 1 | |||||
| 3 | 200012 | 12,10 | 1 | ||||||
| 4 | 13223 | 23,11 | 2 | ||||||
| 5 | 3431 | 21 | 3 | ||||||
| 6 | 2135 | 15,10 | 1 | ||||||
| 7 | 1301 | 5 | |||||||
| 8 | 753 | 17,10 | 1 | ||||||
| 9 | 605 | 12 | 3 | ||||||
| 10 | 491 | 14 | 5 | ||||||
| 11 | 407 | 10 | 1 | ||||||
| 12 | 34B | 16 | 7 | ||||||
| 13 | 2BA | 1A | B | ||||||
| 14 | 271 | A | |||||||
| 15 | 22B | 10 | 1 | ||||||
| 16 | 1EB | 1A | B |
Factors: Prime