Compare 20543 vs 21863
| Property | 20543 | 21863 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205431 | 218631 |
| Prime factorization | 20543 | 21863 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20543 | 1, 21863 |
| Number of properties | 7 | 7 |
| Chen primes | 1203rd | |
| Cousin primes (2nd member) | 373rd | |
| Harmonic primes | 845th | 904th |
| Isolated primes | 1621st | 1710th |
| Long primes | 883rd | 929th |
| Primes | 2318th | 2453rd |
| Safe primes | 195th | |
| Sexy primes (1st member) | 707th | |
| Ulam primes | 173rd | 183rd |
| Roman numberals | ||
| Base 2 | 1010000001111112 | 1010101011001112 |
| Base 3 | 10010112123 | 10022222023 |
| Base 4 | 110003334 | 111112134 |
| Base 5 | 11241335 | 11444235 |
| Base 6 | 2350356 | 2451156 |
| Base 7 | 1136157 | 1205127 |
| Base 8 | 500778 | 525478 |
| Base 9 | 311559 | 328829 |
| Base 10 | 2054310 | 2186310 |
| Base 11 | 1448611 | 1547611 |
| Base 12 | ba7b12 | 1079b12 |
| Base 13 | 947313 | 9c4a13 |
| Base 14 | 76b514 | 7d7914 |
| Base 15 | 614815 | 672815 |
| Base 16 | 503f16 | 556716 |