Compare 642217 vs 642229
| Property | 642217 | 642229 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6422171 | 71 × 231 × 39891 |
| Prime factorization | 642217 | 7 × 23 × 3989 |
| Divisors count | 2 | 8 |
| Divisors | 1, 642217 | 1, 7, 23, 161, 3989, 27923, 91747, 642229 |
| Number of properties | 5 | 0 |
| Isolated primes | 40940th | |
| Primes | 52239th | |
| Sexy primes (1st member) | 11319th | |
| Sexy primes (2nd member) | 11318th | |
| Sexy prime triplets (2nd member) | 2076th | |
| Roman numberals | ||
| Base 2 | 100111001100101010012 | 100111001100101101012 |
| Base 3 | 10121212212113 | 10121212220213 |
| Base 4 | 21303022214 | 21303023114 |
| Base 5 | 1310223325 | 1310224045 |
| Base 6 | 214331216 | 214331416 |
| Base 7 | 53132327 | 53132507 |
| Base 8 | 23462518 | 23462658 |
| Base 9 | 11778549 | 11778679 |
| Base 10 | 64221710 | 64222910 |
| Base 11 | 3a956411 | 3a957511 |
| Base 12 | 26b7a112 | 26b7b112 |
| Base 13 | 19641413 | 19642313 |
| Base 14 | 12a08914 | 12a09714 |
| Base 15 | ca44715 | ca45415 |
| Base 16 | 9cca916 | 9ccb516 |