Compare 21911 vs 22157
| Property | 21911 | 22157 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 219111 | 221571 |
| Prime factorization | 21911 | 22157 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21911 | 1, 22157 |
| Number of properties | 3 | 7 |
| Additive primes | 1147th | |
| Chen primes | 1205th | 1217th |
| Cousin primes (2nd member) | 377th | |
| Isolated primes | 1714th | |
| Primes | 2457th | 2485th |
| Prime triplets (2nd member) | 186th | |
| Pythagorean primes | 1232nd | |
| Twin primes (1st member) | 376th | |
| Roman numberals | ||
| Base 2 | 1010101100101112 | 1010110100011012 |
| Base 3 | 10100011123 | 10101011223 |
| Base 4 | 111121134 | 111220314 |
| Base 5 | 12001215 | 12021125 |
| Base 6 | 2452356 | 2503256 |
| Base 7 | 1206117 | 1214127 |
| Base 8 | 526278 | 532158 |
| Base 9 | 330459 | 333489 |
| Base 10 | 2191110 | 2215710 |
| Base 11 | 1550a11 | 1571311 |
| Base 12 | 1081b12 | 109a512 |
| Base 13 | 9c8613 | a11513 |
| Base 14 | 7db114 | 810914 |
| Base 15 | 675b15 | 687215 |
| Base 16 | 559716 | 568d16 |