Compare 642221 vs 642233
| Property | 642221 | 642233 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 5571 × 11531 | 6422331 |
| Prime factorization | 557 × 1153 | 642233 |
| Divisors count | 4 | 2 |
| Divisors | 1, 557, 1153, 642221 | 1, 642233 |
| Number of properties | 1 | 4 |
| Isolated primes | 40942nd | |
| Primes | 52241st | |
| Semiprimes | 137598th | |
| Sophie germain primes | 5323rd | |
| Ulam primes | 3831st | |
| Roman numberals | ||
| Base 2 | 100111001100101011012 | 100111001100101110012 |
| Base 3 | 10121212212223 | 10121212221023 |
| Base 4 | 21303022314 | 21303023214 |
| Base 5 | 1310223415 | 1310224135 |
| Base 6 | 214331256 | 214331456 |
| Base 7 | 53132367 | 53132547 |
| Base 8 | 23462558 | 23462718 |
| Base 9 | 11778589 | 11778729 |
| Base 10 | 64222110 | 64223310 |
| Base 11 | 3a956811 | 3a957911 |
| Base 12 | 26b7a512 | 26b7b512 |
| Base 13 | 19641813 | 19642713 |
| Base 14 | 12a08d14 | 12a09b14 |
| Base 15 | ca44b15 | ca45815 |
| Base 16 | 9ccad16 | 9ccb916 |