Compare 642997 vs 643301
| Property | 642997 | 643301 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6429971 | 6433011 |
| Prime factorization | 642997 | 643301 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642997 | 1, 643301 |
| Number of properties | 3 | 4 |
| Additive primes | 20437th | 20447th |
| Chen primes | 20460th | |
| Isolated primes | 40981st | |
| Primes | 52290th | 52312th |
| Twin primes (1st member) | 5656th | |
| Roman numberals | ||
| Base 2 | 100111001111101101012 | 100111010000111001012 |
| Base 3 | 10122000002013 | 10122001022223 |
| Base 4 | 21303323114 | 21310032114 |
| Base 5 | 1310334425 | 1310412015 |
| Base 6 | 214405016 | 214421256 |
| Base 7 | 53154257 | 53163417 |
| Base 8 | 23476658 | 23503458 |
| Base 9 | 11800219 | 11803889 |
| Base 10 | 64299710 | 64330110 |
| Base 11 | 3aa10311 | 3aa35a11 |
| Base 12 | 27013112 | 27034512 |
| Base 13 | 19689413 | 196a6913 |
| Base 14 | 12a48514 | 12a62114 |
| Base 15 | ca7b715 | ca91b15 |
| Base 16 | 9cfb516 | 9d0e516 |