Compare 2138 vs 2155
| Property | 2138 | 2155 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 10691 | 51 × 4311 |
| Prime factorization | 2 × 1069 | 5 × 431 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 1069, 2138 | 1, 5, 431, 2155 |
| Number of properties | 1 | 1 |
| Semiprimes | 611th | 614th |
| Roman numberals | MMCXXXVIII | MMCLV |
| Base 2 | 1000010110102 | 1000011010112 |
| Base 3 | 22210123 | 22212113 |
| Base 4 | 2011224 | 2012234 |
| Base 5 | 320235 | 321105 |
| Base 6 | 135226 | 135516 |
| Base 7 | 61437 | 61667 |
| Base 8 | 41328 | 41538 |
| Base 9 | 28359 | 28549 |
| Base 10 | 213810 | 215510 |
| Base 11 | 167411 | 168a11 |
| Base 12 | 12a212 | 12b712 |
| Base 13 | c8613 | c9a13 |
| Base 14 | aca14 | add14 |
| Base 15 | 97815 | 98a15 |
| Base 16 | 85a16 | 86b16 |