Compare 1999 vs 2437
| Property | 1999 | 2437 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19991 | 24371 |
| Prime factorization | 1999 | 2437 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1999 | 1, 2437 |
| Number of properties | 8 | 5 |
| Centered triangular primes | 10th | |
| Cousin primes (1st member) | 65th | 75th |
| Cuban primes 1 | 16th | |
| Isolated primes | 218th | |
| Primes | 303rd | 361st |
| Prime triplets (2nd member) | 50th | |
| Prime triplets (3rd member) | 49th | |
| Pythagorean primes | 177th | |
| Sexy primes (2nd member) | 128th | |
| Sexy prime triplets (3rd member) | 50th | |
| Twin primes (2nd member) | 61st | |
| Roman numberals | MCMXCIX | MMCDXXXVII |
| Base 2 | 111110011112 | 1001100001012 |
| Base 3 | 22020013 | 101000213 |
| Base 4 | 1330334 | 2120114 |
| Base 5 | 304445 | 342225 |
| Base 6 | 131316 | 151416 |
| Base 7 | 55547 | 100517 |
| Base 8 | 37178 | 46058 |
| Base 9 | 26619 | 33079 |
| Base 10 | 199910 | 243710 |
| Base 11 | 155811 | 191611 |
| Base 12 | 11a712 | 14b112 |
| Base 13 | baa13 | 115613 |
| Base 14 | a2b14 | c6114 |
| Base 15 | 8d415 | ac715 |
| Base 16 | 7cf16 | 98516 |