Compare 648381 vs 648391
| Property | 648381 | 648391 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 2161271 | 6483911 |
| Prime factorization | 3 × 216127 | 648391 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 216127, 648381 | 1, 648391 |
| Number of properties | 1 | 5 |
| Additive primes | 20599th | |
| Isolated primes | 41320th | |
| Primes | 52711th | |
| Semiprimes | 138834th | |
| Super primes | 5381st | |
| Ulam primes | 3871st | |
| Roman numberals | ||
| Base 2 | 100111100100101111012 | 100111100100110001112 |
| Base 3 | 10122211020103 | 10122211021113 |
| Base 4 | 21321023314 | 21321030134 |
| Base 5 | 1312220115 | 1312220315 |
| Base 6 | 215214336 | 215214516 |
| Base 7 | 53402167 | 53402327 |
| Base 8 | 23622758 | 23623078 |
| Base 9 | 11873639 | 11873749 |
| Base 10 | 64838110 | 64839110 |
| Base 11 | 40315811 | 40316711 |
| Base 12 | 27327912 | 27328712 |
| Base 13 | 19917613 | 19918313 |
| Base 14 | 12c40d14 | 12c41914 |
| Base 15 | cc1a615 | cc1b115 |
| Base 16 | 9e4bd16 | 9e4c716 |