Compare 1979 vs 2143
| Property | 1979 | 2143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19791 | 21431 |
| Prime factorization | 1979 | 2143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1979 | 1, 2143 |
| Number of properties | 6 | 7 |
| Chen primes | 184th | |
| Emirps | 96th | |
| Harmonic primes | 118th | |
| Isolated primes | 180th | |
| Long primes | 116th | 125th |
| Primes | 299th | 324th |
| Prime triplets (3rd member) | 53rd | |
| Sexy primes (2nd member) | 126th | 135th |
| Sexy prime triplets (3rd member) | 51st | |
| Twin primes (2nd member) | 67th | |
| Roman numberals | MCMLXXIX | MMCXLIII |
| Base 2 | 111101110112 | 1000010111112 |
| Base 3 | 22010223 | 22211013 |
| Base 4 | 1323234 | 2011334 |
| Base 5 | 304045 | 320335 |
| Base 6 | 130556 | 135316 |
| Base 7 | 55257 | 61517 |
| Base 8 | 36738 | 41378 |
| Base 9 | 26389 | 28419 |
| Base 10 | 197910 | 214310 |
| Base 11 | 153a11 | 167911 |
| Base 12 | 118b12 | 12a712 |
| Base 13 | b9313 | c8b13 |
| Base 14 | a1514 | ad114 |
| Base 15 | 8be15 | 97d15 |
| Base 16 | 7bb16 | 85f16 |