Compare 642049 vs 642055
| Property | 642049 | 642055 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6420491 | 51 × 1284111 |
| Prime factorization | 642049 | 5 × 128411 |
| Divisors count | 2 | 4 |
| Divisors | 1, 642049 | 1, 5, 128411, 642055 |
| Number of properties | 3 | 1 |
| Isolated primes | 40932nd | |
| Primes | 52225th | |
| Proth primes | 195th | |
| Semiprimes | 137563rd | |
| Roman numberals | ||
| Base 2 | 100111001100000000012 | 100111001100000001112 |
| Base 3 | 10121212011213 | 10121212012113 |
| Base 4 | 21303000014 | 21303000134 |
| Base 5 | 1310211445 | 1310212105 |
| Base 6 | 214322416 | 214322516 |
| Base 7 | 53126027 | 53126117 |
| Base 8 | 23460018 | 23460078 |
| Base 9 | 11776479 | 11776549 |
| Base 10 | 64204910 | 64205510 |
| Base 11 | 3a942111 | 3a942711 |
| Base 12 | 26b68112 | 26b68712 |
| Base 13 | 19631513 | 19631b13 |
| Base 14 | 129da914 | 129db114 |
| Base 15 | ca38415 | ca38a15 |
| Base 16 | 9cc0116 | 9cc0716 |