Compare 642623 vs 642799
| Property | 642623 | 642799 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6426231 | 6427991 |
| Prime factorization | 642623 | 642799 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642623 | 1, 642799 |
| Number of properties | 5 | 4 |
| Additive primes | 20426th | 20431st |
| Isolated primes | 40961st | |
| Lucky primes | 6003rd | |
| Primes | 52264th | 52274th |
| Safe primes | 3026th | |
| Sophie germain primes | 5324th | |
| Twin primes (2nd member) | 5654th | |
| Roman numberals | ||
| Base 2 | 100111001110001111112 | 100111001110111011112 |
| Base 3 | 10121221112123 | 10121222021013 |
| Base 4 | 21303203334 | 21303232334 |
| Base 5 | 1310304435 | 1310321445 |
| Base 6 | 214350356 | 214355316 |
| Base 7 | 53143527 | 53150237 |
| Base 8 | 23470778 | 23473578 |
| Base 9 | 11784559 | 11786719 |
| Base 10 | 64262310 | 64279910 |
| Base 11 | 3a98a311 | 3a9a4311 |
| Base 12 | 26ba7b12 | 26bba712 |
| Base 13 | 19666713 | 19677113 |
| Base 14 | 12a29914 | 12a38314 |
| Base 15 | ca61815 | ca6d415 |
| Base 16 | 9ce3f16 | 9ceef16 |