Compare 21227 vs 21397
| Property | 21227 | 21397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212271 | 213971 |
| Prime factorization | 21227 | 21397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21227 | 1, 21397 |
| Number of properties | 4 | 5 |
| Cousin primes (1st member) | 365th | |
| Isolated primes | 1666th | 1677th |
| Primes | 2387th | 2402nd |
| Pythagorean primes | 1191st | |
| Safe primes | 200th | |
| Sexy primes (2nd member) | 723rd | 729th |
| Roman numberals | ||
| Base 2 | 1010010111010112 | 1010011100101012 |
| Base 3 | 10020100123 | 10021001113 |
| Base 4 | 110232234 | 110321114 |
| Base 5 | 11344025 | 11410425 |
| Base 6 | 2421356 | 2430216 |
| Base 7 | 1156137 | 1162457 |
| Base 8 | 513538 | 516258 |
| Base 9 | 321059 | 323149 |
| Base 10 | 2122710 | 2139710 |
| Base 11 | 14a4811 | 1509211 |
| Base 12 | 1034b12 | 1047112 |
| Base 13 | 987b13 | 997c13 |
| Base 14 | 7a4314 | 7b2514 |
| Base 15 | 645215 | 651715 |
| Base 16 | 52eb16 | 539516 |