Compare 645041 vs 645045
| Property | 645041 | 645045 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6450411 | 31 × 51 × 430031 |
| Prime factorization | 645041 | 3 × 5 × 43003 |
| Divisors count | 2 | 8 |
| Divisors | 1, 645041 | 1, 3, 5, 15, 43003, 129009, 215015, 645045 |
| Number of properties | 5 | 0 |
| Cousin primes (2nd member) | 5666th | |
| Happy primes | 7471st | |
| Isolated primes | 41113th | |
| Primes | 52452nd | |
| Sophie germain primes | 5348th | |
| Roman numberals | ||
| Base 2 | 100111010111101100012 | 100111010111101101012 |
| Base 3 | 10122022111023 | 10122022111203 |
| Base 4 | 21311323014 | 21311323114 |
| Base 5 | 1311201315 | 1311201405 |
| Base 6 | 214541456 | 214541536 |
| Base 7 | 53244057 | 53244127 |
| Base 8 | 23536618 | 23536658 |
| Base 9 | 11827429 | 11827469 |
| Base 10 | 64504110 | 64504510 |
| Base 11 | 4006a111 | 4006a511 |
| Base 12 | 27135512 | 27135912 |
| Base 13 | 1977a713 | 1977ab13 |
| Base 14 | 12b10514 | 12b10914 |
| Base 15 | cb1cb15 | cb1d015 |
| Base 16 | 9d7b116 | 9d7b516 |