Compare 21851 vs 22109
| Property | 21851 | 22109 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218511 | 221091 |
| Prime factorization | 21851 | 22109 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21851 | 1, 22109 |
| Number of properties | 4 | 6 |
| Additive primes | 1134th | |
| Chen primes | 1216th | |
| Harmonic primes | 912th | |
| Isolated primes | 1708th | |
| Long primes | 927th | 935th |
| Primes | 2451st | 2478th |
| Pythagorean primes | 1228th | |
| Twin primes (1st member) | 375th | |
| Roman numberals | ||
| Base 2 | 1010101010110112 | 1010110010111012 |
| Base 3 | 10022220223 | 10100222123 |
| Base 4 | 111111234 | 111211314 |
| Base 5 | 11444015 | 12014145 |
| Base 6 | 2450556 | 2502056 |
| Base 7 | 1204647 | 1213137 |
| Base 8 | 525338 | 531358 |
| Base 9 | 328689 | 332859 |
| Base 10 | 2185110 | 2210910 |
| Base 11 | 1546511 | 1567a11 |
| Base 12 | 1078b12 | 1096512 |
| Base 13 | 9c3b13 | a0a913 |
| Base 14 | 7d6b14 | 80b314 |
| Base 15 | 671b15 | 683e15 |
| Base 16 | 555b16 | 565d16 |