Compare 421739 vs 421745
| Property | 421739 | 421745 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4217391 | 51 × 843491 |
| Prime factorization | 421739 | 5 × 84349 |
| Divisors count | 2 | 4 |
| Divisors | 1, 421739 | 1, 5, 84349, 421745 |
| Number of properties | 4 | 1 |
| Chen primes | 14264th | |
| Primes | 35525th | |
| Safe primes | 2145th | |
| Semiprimes | 92138th | |
| Twin primes (1st member) | 3978th | |
| Roman numberals | ||
| Base 2 | 11001101111011010112 | 11001101111011100012 |
| Base 3 | 2101021112223 | 2101021120123 |
| Base 4 | 12123312234 | 12123313014 |
| Base 5 | 1014434245 | 1014434405 |
| Base 6 | 130122556 | 130123056 |
| Base 7 | 34043637 | 34044027 |
| Base 8 | 14675538 | 14675618 |
| Base 9 | 7124589 | 7124659 |
| Base 10 | 42173910 | 42174510 |
| Base 11 | 26894a11 | 26895511 |
| Base 12 | 18408b12 | 18409512 |
| Base 13 | 119c6613 | 119c6c13 |
| Base 14 | ad9a314 | ad9a914 |
| Base 15 | 84e5e15 | 84e6515 |
| Base 16 | 66f6b16 | 66f7116 |