Compare 2143 vs 2155
| Property | 2143 | 2155 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 21431 | 51 × 4311 |
| Prime factorization | 2143 | 5 × 431 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2143 | 1, 5, 431, 2155 |
| Number of properties | 7 | 1 |
| Harmonic primes | 118th | |
| Long primes | 125th | |
| Primes | 324th | |
| Prime triplets (3rd member) | 53rd | |
| Semiprimes | 614th | |
| Sexy primes (2nd member) | 135th | |
| Sexy prime triplets (3rd member) | 51st | |
| Twin primes (2nd member) | 67th | |
| Roman numberals | MMCXLIII | MMCLV |
| Base 2 | 1000010111112 | 1000011010112 |
| Base 3 | 22211013 | 22212113 |
| Base 4 | 2011334 | 2012234 |
| Base 5 | 320335 | 321105 |
| Base 6 | 135316 | 135516 |
| Base 7 | 61517 | 61667 |
| Base 8 | 41378 | 41538 |
| Base 9 | 28419 | 28549 |
| Base 10 | 214310 | 215510 |
| Base 11 | 167911 | 168a11 |
| Base 12 | 12a712 | 12b712 |
| Base 13 | c8b13 | c9a13 |
| Base 14 | ad114 | add14 |
| Base 15 | 97d15 | 98a15 |
| Base 16 | 85f16 | 86b16 |