Compare 18947 vs 20543
| Property | 18947 | 20543 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189471 | 205431 |
| Prime factorization | 18947 | 20543 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18947 | 1, 20543 |
| Number of properties | 5 | 7 |
| Additive primes | 1007th | |
| Chen primes | 1068th | |
| Harmonic primes | 845th | |
| Isolated primes | 1502nd | 1621st |
| Long primes | 883rd | |
| Primes | 2155th | 2318th |
| Safe primes | 185th | 195th |
| Sexy primes (1st member) | 707th | |
| Ulam primes | 173rd | |
| Roman numberals | ||
| Base 2 | 1001010000000112 | 1010000001111112 |
| Base 3 | 2212222023 | 10010112123 |
| Base 4 | 102200034 | 110003334 |
| Base 5 | 11012425 | 11241335 |
| Base 6 | 2234156 | 2350356 |
| Base 7 | 1061457 | 1136157 |
| Base 8 | 450038 | 500778 |
| Base 9 | 278829 | 311559 |
| Base 10 | 1894710 | 2054310 |
| Base 11 | 1326511 | 1448611 |
| Base 12 | ab6b12 | ba7b12 |
| Base 13 | 881613 | 947313 |
| Base 14 | 6c9514 | 76b514 |
| Base 15 | 593215 | 614815 |
| Base 16 | 4a0316 | 503f16 |