Compare 20543 vs 21143
| Property | 20543 | 21143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205431 | 211431 |
| Prime factorization | 20543 | 21143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20543 | 1, 21143 |
| Number of properties | 7 | 9 |
| Additive primes | 1103rd | |
| Chen primes | 1167th | |
| Cousin primes (2nd member) | 360th | |
| Happy primes | 393rd | |
| Harmonic primes | 845th | 873rd |
| Isolated primes | 1621st | 1657th |
| Long primes | 883rd | 903rd |
| Primes | 2318th | 2376th |
| Safe primes | 195th | |
| Sexy primes (1st member) | 707th | 719th |
| Ulam primes | 173rd | |
| Roman numberals | ||
| Base 2 | 1010000001111112 | 1010010100101112 |
| Base 3 | 10010112123 | 10020000023 |
| Base 4 | 110003334 | 110221134 |
| Base 5 | 11241335 | 11340335 |
| Base 6 | 2350356 | 2415156 |
| Base 7 | 1136157 | 1154337 |
| Base 8 | 500778 | 512278 |
| Base 9 | 311559 | 320029 |
| Base 10 | 2054310 | 2114310 |
| Base 11 | 1448611 | 1498111 |
| Base 12 | ba7b12 | 1029b12 |
| Base 13 | 947313 | 981513 |
| Base 14 | 76b514 | 79c314 |
| Base 15 | 614815 | 63e815 |
| Base 16 | 503f16 | 529716 |