Compare 2143 vs 2145
| Property | 2143 | 2145 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 21431 | 31 × 51 × 111 × 131 |
| Prime factorization | 2143 | 3 × 5 × 11 × 13 |
| Divisors count | 2 | 16 |
| Divisors | 1, 2143 | 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145 |
| Number of properties | 7 | 0 |
| Harmonic primes | 118th | |
| Long primes | 125th | |
| Primes | 324th | |
| Prime triplets (3rd member) | 53rd | |
| Sexy primes (2nd member) | 135th | |
| Sexy prime triplets (3rd member) | 51st | |
| Twin primes (2nd member) | 67th | |
| Roman numberals | MMCXLIII | MMCXLV |
| Base 2 | 1000010111112 | 1000011000012 |
| Base 3 | 22211013 | 22211103 |
| Base 4 | 2011334 | 2012014 |
| Base 5 | 320335 | 320405 |
| Base 6 | 135316 | 135336 |
| Base 7 | 61517 | 61537 |
| Base 8 | 41378 | 41418 |
| Base 9 | 28419 | 28439 |
| Base 10 | 214310 | 214510 |
| Base 11 | 167911 | 168011 |
| Base 12 | 12a712 | 12a912 |
| Base 13 | c8b13 | c9013 |
| Base 14 | ad114 | ad314 |
| Base 15 | 97d15 | 98015 |
| Base 16 | 85f16 | 86116 |