Compare 20543 vs 20639
| Property | 20543 | 20639 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205431 | 206391 |
| Prime factorization | 20543 | 20639 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20543 | 1, 20639 |
| Number of properties | 7 | 4 |
| Chen primes | 1143rd | |
| Happy primes | 384th | |
| Harmonic primes | 845th | |
| Isolated primes | 1621st | |
| Long primes | 883rd | |
| Primes | 2318th | 2326th |
| Safe primes | 195th | |
| Sexy primes (1st member) | 707th | |
| Twin primes (1st member) | 351st | |
| Ulam primes | 173rd | |
| Roman numberals | ||
| Base 2 | 1010000001111112 | 1010000100111112 |
| Base 3 | 10010112123 | 10010221023 |
| Base 4 | 110003334 | 110021334 |
| Base 5 | 11241335 | 11300245 |
| Base 6 | 2350356 | 2353156 |
| Base 7 | 1136157 | 1141137 |
| Base 8 | 500778 | 502378 |
| Base 9 | 311559 | 312729 |
| Base 10 | 2054310 | 2063910 |
| Base 11 | 1448611 | 1456311 |
| Base 12 | ba7b12 | bb3b12 |
| Base 13 | 947313 | 951813 |
| Base 14 | 76b514 | 774314 |
| Base 15 | 614815 | 61ae15 |
| Base 16 | 503f16 | 509f16 |