Compare 642869 vs 644089
| Property | 642869 | 644089 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6428691 | 6440891 |
| Prime factorization | 642869 | 644089 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642869 | 1, 644089 |
| Number of properties | 4 | 4 |
| Additive primes | 20470th | |
| Chen primes | 20449th | |
| Good primes | 1992nd | 2002nd |
| Isolated primes | 41048th | |
| Primes | 52278th | 52367th |
| Twin primes (1st member) | 5655th | |
| Roman numberals | ||
| Base 2 | 100111001111001101012 | 100111010011111110012 |
| Base 3 | 10121222112223 | 10122011120113 |
| Base 4 | 21303303114 | 21310333214 |
| Base 5 | 1310324345 | 1311023245 |
| Base 6 | 214401256 | 214455216 |
| Base 7 | 53151537 | 53215457 |
| Base 8 | 23474658 | 23517718 |
| Base 9 | 11787589 | 11814649 |
| Base 10 | 64286910 | 64408910 |
| Base 11 | 3a9aa711 | 3aaa0611 |
| Base 12 | 27004512 | 2708a112 |
| Base 13 | 1967c613 | 19722413 |
| Base 14 | 12a3d314 | 12aa2514 |
| Base 15 | ca72e15 | cac9415 |
| Base 16 | 9cf3516 | 9d3f916 |