Compare 642151 vs 642871
| Property | 642151 | 642871 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6421511 | 6428711 |
| Prime factorization | 642151 | 642871 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642151 | 1, 642871 |
| Number of properties | 6 | 3 |
| Additive primes | 20414th | |
| Chen primes | 20433rd | |
| Primes | 52233rd | 52279th |
| Sexy primes (1st member) | 11316th | 11325th |
| Sexy prime triplets (1st member) | 2075th | |
| Twin primes (2nd member) | 5649th | 5655th |
| Roman numberals | ||
| Base 2 | 100111001100011001112 | 100111001111001101112 |
| Base 3 | 10121212121013 | 10121222120013 |
| Base 4 | 21303012134 | 21303303134 |
| Base 5 | 1310221015 | 1310324415 |
| Base 6 | 214325316 | 214401316 |
| Base 7 | 53131067 | 53151557 |
| Base 8 | 23461478 | 23474678 |
| Base 9 | 11777719 | 11787619 |
| Base 10 | 64215110 | 64287110 |
| Base 11 | 3a950411 | 3a9aa911 |
| Base 12 | 26b74712 | 27004712 |
| Base 13 | 19639313 | 1967c813 |
| Base 14 | 12a03d14 | 12a3d514 |
| Base 15 | ca40115 | ca73115 |
| Base 16 | 9cc6716 | 9cf3716 |