Compare 18839 vs 20543
| Property | 18839 | 20543 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 188391 | 205431 |
| Prime factorization | 18839 | 20543 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18839 | 1, 20543 |
| Number of properties | 7 | 7 |
| Additive primes | 1005th | |
| Chen primes | 1062nd | |
| Happy primes | 366th | |
| Harmonic primes | 772nd | 845th |
| Isolated primes | 1498th | 1621st |
| Long primes | 883rd | |
| Primes | 2147th | 2318th |
| Safe primes | 184th | 195th |
| Sexy primes (1st member) | 707th | |
| Ulam primes | 173rd | |
| Roman numberals | ||
| Base 2 | 1001001100101112 | 1010000001111112 |
| Base 3 | 2212112023 | 10010112123 |
| Base 4 | 102121134 | 110003334 |
| Base 5 | 11003245 | 11241335 |
| Base 6 | 2231156 | 2350356 |
| Base 7 | 1056327 | 1136157 |
| Base 8 | 446278 | 500778 |
| Base 9 | 277529 | 311559 |
| Base 10 | 1883910 | 2054310 |
| Base 11 | 1317711 | 1448611 |
| Base 12 | aa9b12 | ba7b12 |
| Base 13 | 876213 | 947313 |
| Base 14 | 6c1914 | 76b514 |
| Base 15 | 58ae15 | 614815 |
| Base 16 | 499716 | 503f16 |