Compare 639257 vs 641131
| Property | 639257 | 641131 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6392571 | 6411311 |
| Prime factorization | 639257 | 641131 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639257 | 1, 641131 |
| Number of properties | 10 | 3 |
| Chen primes | 20353rd | |
| Cousin primes (2nd member) | 5624th | |
| Good primes | 1980th | |
| Primes | 52019th | 52160th |
| Prime triplets (1st member) | 2059th | |
| Prime triplets (2nd member) | 2058th | |
| Sexy primes (1st member) | 11273rd | |
| Sexy prime triplets (1st member) | 2071st | |
| Twin primes (1st member) | 5626th | |
| Twin primes (2nd member) | 5639th | |
| Ulam primes | 3812th | 3824th |
| Roman numberals | ||
| Base 2 | 100111000001000110012 | 100111001000011010112 |
| Base 3 | 10121102200123 | 10121201101213 |
| Base 4 | 21300101214 | 21302012234 |
| Base 5 | 1304240125 | 1310040115 |
| Base 6 | 214113056 | 214241116 |
| Base 7 | 53015037 | 53101217 |
| Base 8 | 23404318 | 23441538 |
| Base 9 | 11738059 | 11764179 |
| Base 10 | 63925710 | 64113110 |
| Base 11 | 3a731311 | 3a876711 |
| Base 12 | 269b3512 | 26b03712 |
| Base 13 | 194c7813 | 195a8a13 |
| Base 14 | 128d7314 | 12991114 |
| Base 15 | c962215 | c9e7115 |
| Base 16 | 9c11916 | 9c86b16 |