Compare 642245 vs 642249
| Property | 642245 | 642249 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 7 |
| Prime factorization | 51 × 1284491 | 36 × 8811 |
| Prime factorization | 5 × 128449 | 3 × 3 × 3 × 3 × 3 × 3 × 881 |
| Divisors count | 4 | 14 |
| Divisors | 1, 5, 128449, 642245 | 1, 3, 9, 27, 81, 243, 729, 881, 2643, 7929, 23787, 71361, 214083, 642249 |
| Number of properties | 1 | 0 |
| Semiprimes | 137600th | |
| Roman numberals | ||
| Base 2 | 100111001100110001012 | 100111001100110010012 |
| Base 3 | 10121212222123 | 10121220000003 |
| Base 4 | 21303030114 | 21303030214 |
| Base 5 | 1310224405 | 1310224445 |
| Base 6 | 214332056 | 214332136 |
| Base 7 | 53133027 | 53133067 |
| Base 8 | 23463058 | 23463118 |
| Base 9 | 11778859 | 11780009 |
| Base 10 | 64224510 | 64224910 |
| Base 11 | 3a958a11 | 3a959311 |
| Base 12 | 26b80512 | 26b80912 |
| Base 13 | 19643613 | 19643a13 |
| Base 14 | 12a0a914 | 12a0ad14 |
| Base 15 | ca46515 | ca46915 |
| Base 16 | 9ccc516 | 9ccc916 |