Compare 1806 vs 1817
| Property | 1806 | 1817 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 71 × 431 | 231 × 791 |
| Prime factorization | 2 × 3 × 7 × 43 | 23 × 79 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806 | 1, 23, 79, 1817 |
| Number of properties | 0 | 1 |
| Semiprimes | 522nd | |
| Roman numberals | MDCCCVI | MDCCCXVII |
| Base 2 | 111000011102 | 111000110012 |
| Base 3 | 21102203 | 21110223 |
| Base 4 | 1300324 | 1301214 |
| Base 5 | 242115 | 242325 |
| Base 6 | 122106 | 122256 |
| Base 7 | 51607 | 52047 |
| Base 8 | 34168 | 34318 |
| Base 9 | 24269 | 24389 |
| Base 10 | 180610 | 181710 |
| Base 11 | 13a211 | 140211 |
| Base 12 | 106612 | 107512 |
| Base 13 | a8c13 | a9a13 |
| Base 14 | 93014 | 93b14 |
| Base 15 | 80615 | 81215 |
| Base 16 | 70e16 | 71916 |