Compare 639251 vs 639253
| Property | 639251 | 639253 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 171 × 311 × 12131 | 6392531 |
| Prime factorization | 17 × 31 × 1213 | 639253 |
| Divisors count | 8 | 2 |
| Divisors | 1, 17, 31, 527, 1213, 20621, 37603, 639251 | 1, 639253 |
| Number of properties | 0 | 7 |
| Cousin primes (1st member) | 5624th | |
| Good primes | 1979th | |
| Isolated primes | 40769th | |
| Lucky primes | 5971st | |
| Primes | 52018th | |
| Prime triplets (1st member) | 2058th | |
| Sexy primes (1st member) | 11272nd | |
| Roman numberals | ||
| Base 2 | 100111000001000100112 | 100111000001000101012 |
| Base 3 | 10121102122223 | 10121102200013 |
| Base 4 | 21300101034 | 21300101114 |
| Base 5 | 1304240015 | 1304240035 |
| Base 6 | 214112556 | 214113016 |
| Base 7 | 53014647 | 53014667 |
| Base 8 | 23404238 | 23404258 |
| Base 9 | 11737889 | 11738019 |
| Base 10 | 63925110 | 63925310 |
| Base 11 | 3a730811 | 3a730a11 |
| Base 12 | 269b2b12 | 269b3112 |
| Base 13 | 194c7213 | 194c7413 |
| Base 14 | 128d6b14 | 128d6d14 |
| Base 15 | c961b15 | c961d15 |
| Base 16 | 9c11316 | 9c11516 |