Compare 42642 vs 42647
| Property | 42642 | 42647 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 32 × 231 × 1031 | 111 × 38771 |
| Prime factorization | 2 × 3 × 3 × 23 × 103 | 11 × 3877 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 23, 46, 69, 103, 138, 206, 207, 309, 414, 618, 927, 1854, 2369, 4738, 7107, 14214, 21321, 42642 | 1, 11, 3877, 42647 |
| Number of properties | 0 | 1 |
| Semiprimes | 10389th | |
| Roman numberals | ||
| Base 2 | 10100110100100102 | 10100110100101112 |
| Base 3 | 20111111003 | 20111111123 |
| Base 4 | 221221024 | 221221134 |
| Base 5 | 23310325 | 23310425 |
| Base 6 | 5252306 | 5252356 |
| Base 7 | 2352157 | 2352237 |
| Base 8 | 1232228 | 1232278 |
| Base 9 | 644409 | 644459 |
| Base 10 | 4264210 | 4264710 |
| Base 11 | 2a04611 | 2a05011 |
| Base 12 | 2081612 | 2081b12 |
| Base 13 | 1654213 | 1654713 |
| Base 14 | 1177c14 | 1178314 |
| Base 15 | c97c15 | c98215 |
| Base 16 | a69216 | a69716 |