Compare 1949 vs 2143
| Property | 1949 | 2143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19491 | 21431 |
| Prime factorization | 1949 | 2143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1949 | 1, 2143 |
| Number of properties | 8 | 7 |
| Additive primes | 156th | |
| Chen primes | 183rd | |
| Emirps | 95th | |
| Harmonic primes | 110th | 118th |
| Long primes | 115th | 125th |
| Primes | 296th | 324th |
| Prime triplets (3rd member) | 53rd | |
| Pythagorean primes | 144th | |
| Sexy primes (2nd member) | 135th | |
| Sexy prime triplets (3rd member) | 51st | |
| Twin primes (1st member) | 60th | |
| Twin primes (2nd member) | 67th | |
| Roman numberals | MCMXLIX | MMCXLIII |
| Base 2 | 111100111012 | 1000010111112 |
| Base 3 | 22000123 | 22211013 |
| Base 4 | 1321314 | 2011334 |
| Base 5 | 302445 | 320335 |
| Base 6 | 130056 | 135316 |
| Base 7 | 54537 | 61517 |
| Base 8 | 36358 | 41378 |
| Base 9 | 26059 | 28419 |
| Base 10 | 194910 | 214310 |
| Base 11 | 151211 | 167911 |
| Base 12 | 116512 | 12a712 |
| Base 13 | b6c13 | c8b13 |
| Base 14 | 9d314 | ad114 |
| Base 15 | 89e15 | 97d15 |
| Base 16 | 79d16 | 85f16 |