Compare 645041 vs 645053
| Property | 645041 | 645053 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6450411 | 411 × 157331 |
| Prime factorization | 645041 | 41 × 15733 |
| Divisors count | 2 | 4 |
| Divisors | 1, 645041 | 1, 41, 15733, 645053 |
| Number of properties | 5 | 1 |
| Cousin primes (2nd member) | 5666th | |
| Happy primes | 7471st | |
| Isolated primes | 41113th | |
| Primes | 52452nd | |
| Semiprimes | 138173rd | |
| Sophie germain primes | 5348th | |
| Roman numberals | ||
| Base 2 | 100111010111101100012 | 100111010111101111012 |
| Base 3 | 10122022111023 | 10122022112123 |
| Base 4 | 21311323014 | 21311323314 |
| Base 5 | 1311201315 | 1311202035 |
| Base 6 | 214541456 | 214542056 |
| Base 7 | 53244057 | 53244237 |
| Base 8 | 23536618 | 23536758 |
| Base 9 | 11827429 | 11827559 |
| Base 10 | 64504110 | 64505310 |
| Base 11 | 4006a111 | 40070211 |
| Base 12 | 27135512 | 27136512 |
| Base 13 | 1977a713 | 1977b613 |
| Base 14 | 12b10514 | 12b11314 |
| Base 15 | cb1cb15 | cb1d815 |
| Base 16 | 9d7b116 | 9d7bd16 |