Compare 643243 vs 643253
| Property | 643243 | 643253 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6432431 | 131 × 494811 |
| Prime factorization | 643243 | 13 × 49481 |
| Divisors count | 2 | 4 |
| Divisors | 1, 643243 | 1, 13, 49481, 643253 |
| Number of properties | 2 | 1 |
| Isolated primes | 41001st | |
| Primes | 52310th | |
| Semiprimes | 137819th | |
| Roman numberals | ||
| Base 2 | 100111010000101010112 | 100111010000101101012 |
| Base 3 | 10122001002113 | 10122001010123 |
| Base 4 | 21310022234 | 21310023114 |
| Base 5 | 1310404335 | 1310410035 |
| Base 6 | 214415516 | 214420056 |
| Base 7 | 53162267 | 53162427 |
| Base 8 | 23502538 | 23502658 |
| Base 9 | 11803249 | 11803359 |
| Base 10 | 64324310 | 64325310 |
| Base 11 | 3aa30711 | 3aa31611 |
| Base 12 | 2702b712 | 27030512 |
| Base 13 | 196a2313 | 196a3013 |
| Base 14 | 12a5bd14 | 12a5c914 |
| Base 15 | ca8cd15 | ca8d815 |
| Base 16 | 9d0ab16 | 9d0b516 |