Compare 642623 vs 642997
| Property | 642623 | 642997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6426231 | 6429971 |
| Prime factorization | 642623 | 642997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642623 | 1, 642997 |
| Number of properties | 5 | 3 |
| Additive primes | 20426th | 20437th |
| Isolated primes | 40961st | 40981st |
| Primes | 52264th | 52290th |
| Safe primes | 3026th | |
| Sophie germain primes | 5324th | |
| Roman numberals | ||
| Base 2 | 100111001110001111112 | 100111001111101101012 |
| Base 3 | 10121221112123 | 10122000002013 |
| Base 4 | 21303203334 | 21303323114 |
| Base 5 | 1310304435 | 1310334425 |
| Base 6 | 214350356 | 214405016 |
| Base 7 | 53143527 | 53154257 |
| Base 8 | 23470778 | 23476658 |
| Base 9 | 11784559 | 11800219 |
| Base 10 | 64262310 | 64299710 |
| Base 11 | 3a98a311 | 3aa10311 |
| Base 12 | 26ba7b12 | 27013112 |
| Base 13 | 19666713 | 19689413 |
| Base 14 | 12a29914 | 12a48514 |
| Base 15 | ca61815 | ca7b715 |
| Base 16 | 9ce3f16 | 9cfb516 |