Compare 2138 vs 2145
| Property | 2138 | 2145 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 10691 | 31 × 51 × 111 × 131 |
| Prime factorization | 2 × 1069 | 3 × 5 × 11 × 13 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 1069, 2138 | 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145 |
| Number of properties | 1 | 0 |
| Semiprimes | 611th | |
| Roman numberals | MMCXXXVIII | MMCXLV |
| Base 2 | 1000010110102 | 1000011000012 |
| Base 3 | 22210123 | 22211103 |
| Base 4 | 2011224 | 2012014 |
| Base 5 | 320235 | 320405 |
| Base 6 | 135226 | 135336 |
| Base 7 | 61437 | 61537 |
| Base 8 | 41328 | 41418 |
| Base 9 | 28359 | 28439 |
| Base 10 | 213810 | 214510 |
| Base 11 | 167411 | 168011 |
| Base 12 | 12a212 | 12a912 |
| Base 13 | c8613 | c9013 |
| Base 14 | aca14 | ad314 |
| Base 15 | 97815 | 98015 |
| Base 16 | 85a16 | 86116 |