Compare 2143 vs 2149
| Property | 2143 | 2149 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 21431 | 71 × 3071 |
| Prime factorization | 2143 | 7 × 307 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2143 | 1, 7, 307, 2149 |
| Number of properties | 7 | 1 |
| Harmonic primes | 118th | |
| Long primes | 125th | |
| Primes | 324th | |
| Prime triplets (3rd member) | 53rd | |
| Semiprimes | 613th | |
| Sexy primes (2nd member) | 135th | |
| Sexy prime triplets (3rd member) | 51st | |
| Twin primes (2nd member) | 67th | |
| Roman numberals | MMCXLIII | MMCXLIX |
| Base 2 | 1000010111112 | 1000011001012 |
| Base 3 | 22211013 | 22211213 |
| Base 4 | 2011334 | 2012114 |
| Base 5 | 320335 | 320445 |
| Base 6 | 135316 | 135416 |
| Base 7 | 61517 | 61607 |
| Base 8 | 41378 | 41458 |
| Base 9 | 28419 | 28479 |
| Base 10 | 214310 | 214910 |
| Base 11 | 167911 | 168411 |
| Base 12 | 12a712 | 12b112 |
| Base 13 | c8b13 | c9413 |
| Base 14 | ad114 | ad714 |
| Base 15 | 97d15 | 98415 |
| Base 16 | 85f16 | 86516 |