Compare 642242 vs 642251
| Property | 642242 | 642251 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 3171 × 10131 | 3591 × 17891 |
| Prime factorization | 2 × 317 × 1013 | 359 × 1789 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 317, 634, 1013, 2026, 321121, 642242 | 1, 359, 1789, 642251 |
| Number of properties | 0 | 1 |
| Semiprimes | 137601st | |
| Roman numberals | ||
| Base 2 | 100111001100110000102 | 100111001100110010112 |
| Base 3 | 10121212222023 | 10121220000023 |
| Base 4 | 21303030024 | 21303030234 |
| Base 5 | 1310224325 | 1310230015 |
| Base 6 | 214332026 | 214332156 |
| Base 7 | 53132667 | 53133117 |
| Base 8 | 23463028 | 23463138 |
| Base 9 | 11778829 | 11780029 |
| Base 10 | 64224210 | 64225110 |
| Base 11 | 3a958711 | 3a959511 |
| Base 12 | 26b80212 | 26b80b12 |
| Base 13 | 19643313 | 19643c13 |
| Base 14 | 12a0a614 | 12a0b114 |
| Base 15 | ca46215 | ca46b15 |
| Base 16 | 9ccc216 | 9cccb16 |