Compare 20543 vs 20555
| Property | 20543 | 20555 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 205431 | 51 × 41111 |
| Prime factorization | 20543 | 5 × 4111 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20543 | 1, 5, 4111, 20555 |
| Number of properties | 7 | 1 |
| Harmonic primes | 845th | |
| Isolated primes | 1621st | |
| Long primes | 883rd | |
| Primes | 2318th | |
| Safe primes | 195th | |
| Semiprimes | 5214th | |
| Sexy primes (1st member) | 707th | |
| Ulam primes | 173rd | |
| Roman numberals | ||
| Base 2 | 1010000001111112 | 1010000010010112 |
| Base 3 | 10010112123 | 10010120223 |
| Base 4 | 110003334 | 110010234 |
| Base 5 | 11241335 | 11242105 |
| Base 6 | 2350356 | 2350556 |
| Base 7 | 1136157 | 1136337 |
| Base 8 | 500778 | 501138 |
| Base 9 | 311559 | 311689 |
| Base 10 | 2054310 | 2055510 |
| Base 11 | 1448611 | 1449711 |
| Base 12 | ba7b12 | ba8b12 |
| Base 13 | 947313 | 948213 |
| Base 14 | 76b514 | 76c314 |
| Base 15 | 614815 | 615515 |
| Base 16 | 503f16 | 504b16 |