Compare 642869 vs 643031
| Property | 642869 | 643031 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6428691 | 6430311 |
| Prime factorization | 642869 | 643031 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642869 | 1, 643031 |
| Number of properties | 4 | 4 |
| Additive primes | 20438th | |
| Chen primes | 20449th | 20453rd |
| Good primes | 1992nd | |
| Isolated primes | 40984th | |
| Primes | 52278th | 52293rd |
| Twin primes (1st member) | 5655th | |
| Roman numberals | ||
| Base 2 | 100111001111001101012 | 100111001111110101112 |
| Base 3 | 10121222112223 | 10122000012223 |
| Base 4 | 21303303114 | 21303331134 |
| Base 5 | 1310324345 | 1310341115 |
| Base 6 | 214401256 | 214405556 |
| Base 7 | 53151537 | 53155047 |
| Base 8 | 23474658 | 23477278 |
| Base 9 | 11787589 | 11800589 |
| Base 10 | 64286910 | 64303110 |
| Base 11 | 3a9aa711 | 3aa13411 |
| Base 12 | 27004512 | 27015b12 |
| Base 13 | 1967c613 | 1968bc13 |
| Base 14 | 12a3d314 | 12a4ab14 |
| Base 15 | ca72e15 | ca7db15 |
| Base 16 | 9cf3516 | 9cfd716 |