Compare 21227 vs 21391
| Property | 21227 | 21391 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212271 | 213911 |
| Prime factorization | 21227 | 21391 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21227 | 1, 21391 |
| Number of properties | 4 | 3 |
| Isolated primes | 1666th | 1676th |
| Primes | 2387th | 2401st |
| Safe primes | 200th | |
| Sexy primes (1st member) | 729th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010111010112 | 1010011100011112 |
| Base 3 | 10020100123 | 10021000213 |
| Base 4 | 110232234 | 110320334 |
| Base 5 | 11344025 | 11410315 |
| Base 6 | 2421356 | 2430116 |
| Base 7 | 1156137 | 1162367 |
| Base 8 | 513538 | 516178 |
| Base 9 | 321059 | 323079 |
| Base 10 | 2122710 | 2139110 |
| Base 11 | 14a4811 | 1508711 |
| Base 12 | 1034b12 | 1046712 |
| Base 13 | 987b13 | 997613 |
| Base 14 | 7a4314 | 7b1d14 |
| Base 15 | 645215 | 651115 |
| Base 16 | 52eb16 | 538f16 |