Compare 21557 vs 22109
| Property | 21557 | 22109 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 215571 | 221091 |
| Prime factorization | 21557 | 22109 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21557 | 1, 22109 |
| Number of properties | 8 | 6 |
| Chen primes | 1186th | 1216th |
| Good primes | 273rd | |
| Harmonic primes | 912th | |
| Long primes | 935th | |
| Primes | 2418th | 2478th |
| Prime triplets (1st member) | 184th | |
| Pythagorean primes | 1199th | 1228th |
| Sexy primes (1st member) | 736th | |
| Sexy prime triplets (1st member) | 201st | |
| Twin primes (1st member) | 366th | 375th |
| Roman numberals | ||
| Base 2 | 1010100001101012 | 1010110010111012 |
| Base 3 | 10021201023 | 10100222123 |
| Base 4 | 111003114 | 111211314 |
| Base 5 | 11422125 | 12014145 |
| Base 6 | 2434456 | 2502056 |
| Base 7 | 1165647 | 1213137 |
| Base 8 | 520658 | 531358 |
| Base 9 | 325129 | 332859 |
| Base 10 | 2155710 | 2210910 |
| Base 11 | 1521811 | 1567a11 |
| Base 12 | 1058512 | 1096512 |
| Base 13 | 9a7313 | a0a913 |
| Base 14 | 7bdb14 | 80b314 |
| Base 15 | 65c215 | 683e15 |
| Base 16 | 543516 | 565d16 |