Compare 18517 vs 20143
| Property | 18517 | 20143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 185171 | 201431 |
| Prime factorization | 18517 | 20143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18517 | 1, 20143 |
| Number of properties | 8 | 7 |
| Chen primes | 1048th | |
| Cousin primes (1st member) | 332nd | 347th |
| Harmonic primes | 765th | 826th |
| Isolated primes | 1475th | 1593rd |
| Long primes | 871st | |
| Primes | 2120th | 2278th |
| Prime triplets (1st member) | 160th | 169th |
| Pythagorean primes | 1050th | |
| Sexy primes (1st member) | 652nd | 699th |
| Roman numberals | ||
| Base 2 | 1001000010101012 | 1001110101011112 |
| Base 3 | 2211012113 | 10001220013 |
| Base 4 | 102011114 | 103222334 |
| Base 5 | 10430325 | 11210335 |
| Base 6 | 2214216 | 2331316 |
| Base 7 | 1046627 | 1125047 |
| Base 8 | 441258 | 472578 |
| Base 9 | 273549 | 305619 |
| Base 10 | 1851710 | 2014310 |
| Base 11 | 12a0411 | 1415211 |
| Base 12 | a87112 | b7a712 |
| Base 13 | 857513 | 922613 |
| Base 14 | 6a6914 | 74ab14 |
| Base 15 | 574715 | 5e7d15 |
| Base 16 | 485516 | 4eaf16 |