The folowing table expresses '402' 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 | 110010010 | 100 | 1 | ||||||
| 3 | 112220 | 22,11 | 2 | ||||||
| 4 | 12102 | 12 | 3 | ||||||
| 5 | 3102 | 11 | 2 | ||||||
| 6 | 1510 | 11 | 2 | ||||||
| 7 | 1113 | 6 | |||||||
| 8 | 622 | 12 | 3 | ||||||
| 9 | 486 | 20 | 2 | ||||||
| 10 | 402 | 6 | |||||||
| 11 | 336 | 11 | 2 | ||||||
| 12 | 296 | 15 | 6 | ||||||
| 13 | 24C | 15 | 6 | ||||||
| 14 | 20A | C | |||||||
| 15 | 1BC | 19 | A | ||||||
| 16 | 192 | C |
Factors: 2 * 3 * 67