Compare 1806 vs 1818
| Property | 1806 | 1818 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 21 × 31 × 71 × 431 | 21 × 32 × 1011 |
| Prime factorization | 2 × 3 × 7 × 43 | 2 × 3 × 3 × 101 |
| Divisors count | 16 | 12 |
| Divisors | 1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806 | 1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCCVI | MDCCCXVIII |
| Base 2 | 111000011102 | 111000110102 |
| Base 3 | 21102203 | 21111003 |
| Base 4 | 1300324 | 1301224 |
| Base 5 | 242115 | 242335 |
| Base 6 | 122106 | 122306 |
| Base 7 | 51607 | 52057 |
| Base 8 | 34168 | 34328 |
| Base 9 | 24269 | 24409 |
| Base 10 | 180610 | 181810 |
| Base 11 | 13a211 | 140311 |
| Base 12 | 106612 | 107612 |
| Base 13 | a8c13 | a9b13 |
| Base 14 | 93014 | 93c14 |
| Base 15 | 80615 | 81315 |
| Base 16 | 70e16 | 71a16 |