Compare 20543 vs 20553
| Property | 20543 | 20553 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 205431 | 31 × 131 × 171 × 311 |
| Prime factorization | 20543 | 3 × 13 × 17 × 31 |
| Divisors count | 2 | 16 |
| Divisors | 1, 20543 | 1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1209, 1581, 6851, 20553 |
| Number of properties | 7 | 0 |
| Harmonic primes | 845th | |
| Isolated primes | 1621st | |
| Long primes | 883rd | |
| Primes | 2318th | |
| Safe primes | 195th | |
| Sexy primes (1st member) | 707th | |
| Ulam primes | 173rd | |
| Roman numberals | ||
| Base 2 | 1010000001111112 | 1010000010010012 |
| Base 3 | 10010112123 | 10010120203 |
| Base 4 | 110003334 | 110010214 |
| Base 5 | 11241335 | 11242035 |
| Base 6 | 2350356 | 2350536 |
| Base 7 | 1136157 | 1136317 |
| Base 8 | 500778 | 501118 |
| Base 9 | 311559 | 311669 |
| Base 10 | 2054310 | 2055310 |
| Base 11 | 1448611 | 1449511 |
| Base 12 | ba7b12 | ba8912 |
| Base 13 | 947313 | 948013 |
| Base 14 | 76b514 | 76c114 |
| Base 15 | 614815 | 615315 |
| Base 16 | 503f16 | 504916 |