Compare 645038 vs 645049
| Property | 645038 | 645049 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 3225191 | 6450491 |
| Prime factorization | 2 × 322519 | 645049 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 322519, 645038 | 1, 645049 |
| Number of properties | 1 | 4 |
| Isolated primes | 41114th | |
| Lucky primes | 6019th | |
| Primes | 52453rd | |
| Semiprimes | 138171st | |
| Super primes | 5357th | |
| Roman numberals | ||
| Base 2 | 100111010111101011102 | 100111010111101110012 |
| Base 3 | 10122022110223 | 10122022112013 |
| Base 4 | 21311322324 | 21311323214 |
| Base 5 | 1311201235 | 1311201445 |
| Base 6 | 214541426 | 214542016 |
| Base 7 | 53244027 | 53244167 |
| Base 8 | 23536568 | 23536718 |
| Base 9 | 11827389 | 11827519 |
| Base 10 | 64503810 | 64504910 |
| Base 11 | 40069911 | 4006a911 |
| Base 12 | 27135212 | 27136112 |
| Base 13 | 1977a413 | 1977b213 |
| Base 14 | 12b10214 | 12b10d14 |
| Base 15 | cb1c815 | cb1d415 |
| Base 16 | 9d7ae16 | 9d7b916 |