Compare 642869 vs 644029
| Property | 642869 | 644029 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 6428691 | 6440291 | 
| Prime factorization | 642869 | 644029 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 642869 | 1, 644029 | 
| Number of properties | 4 | 4 | 
| Chen primes | 20449th | |
| Good primes | 1992nd | 1999th | 
| Isolated primes | 41045th | |
| Primes | 52278th | 52362nd | 
| Twin primes (1st member) | 5655th | |
| Ulam primes | 3837th | |
| Roman numberals | ||
| Base 2 | 100111001111001101012 | 100111010011101111012 | 
| Base 3 | 10121222112223 | 10122011022213 | 
| Base 4 | 21303303114 | 21310323314 | 
| Base 5 | 1310324345 | 1311021045 | 
| Base 6 | 214401256 | 214453416 | 
| Base 7 | 53151537 | 53214317 | 
| Base 8 | 23474658 | 23516758 | 
| Base 9 | 11787589 | 11813879 | 
| Base 10 | 64286910 | 64402910 | 
| Base 11 | 3a9aa711 | 3aa96111 | 
| Base 12 | 27004512 | 27085112 | 
| Base 13 | 1967c613 | 1971a913 | 
| Base 14 | 12a3d314 | 12a9c114 | 
| Base 15 | ca72e15 | cac5415 | 
| Base 16 | 9cf3516 | 9d3bd16 |