Compare 21863 vs 22109
| Property | 21863 | 22109 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218631 | 221091 |
| Prime factorization | 21863 | 22109 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21863 | 1, 22109 |
| Number of properties | 7 | 6 |
| Chen primes | 1203rd | 1216th |
| Cousin primes (2nd member) | 373rd | |
| Harmonic primes | 904th | 912th |
| Isolated primes | 1710th | |
| Long primes | 929th | 935th |
| Primes | 2453rd | 2478th |
| Pythagorean primes | 1228th | |
| Twin primes (1st member) | 375th | |
| Ulam primes | 183rd | |
| Roman numberals | ||
| Base 2 | 1010101011001112 | 1010110010111012 |
| Base 3 | 10022222023 | 10100222123 |
| Base 4 | 111112134 | 111211314 |
| Base 5 | 11444235 | 12014145 |
| Base 6 | 2451156 | 2502056 |
| Base 7 | 1205127 | 1213137 |
| Base 8 | 525478 | 531358 |
| Base 9 | 328829 | 332859 |
| Base 10 | 2186310 | 2210910 |
| Base 11 | 1547611 | 1567a11 |
| Base 12 | 1079b12 | 1096512 |
| Base 13 | 9c4a13 | a0a913 |
| Base 14 | 7d7914 | 80b314 |
| Base 15 | 672815 | 683e15 |
| Base 16 | 556716 | 565d16 |