Compare 1806 vs 1815
| Property | 1806 | 1815 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 21 × 31 × 71 × 431 | 31 × 51 × 112 |
| Prime factorization | 2 × 3 × 7 × 43 | 3 × 5 × 11 × 11 |
| Divisors count | 16 | 12 |
| Divisors | 1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806 | 1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCCVI | MDCCCXV |
| Base 2 | 111000011102 | 111000101112 |
| Base 3 | 21102203 | 21110203 |
| Base 4 | 1300324 | 1301134 |
| Base 5 | 242115 | 242305 |
| Base 6 | 122106 | 122236 |
| Base 7 | 51607 | 52027 |
| Base 8 | 34168 | 34278 |
| Base 9 | 24269 | 24369 |
| Base 10 | 180610 | 181510 |
| Base 11 | 13a211 | 140011 |
| Base 12 | 106612 | 107312 |
| Base 13 | a8c13 | a9813 |
| Base 14 | 93014 | 93914 |
| Base 15 | 80615 | 81015 |
| Base 16 | 70e16 | 71716 |