Compare 21227 vs 21237
| Property | 21227 | 21237 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 212271 | 31 × 70791 |
| Prime factorization | 21227 | 3 × 7079 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21227 | 1, 3, 7079, 21237 |
| Number of properties | 4 | 1 |
| Isolated primes | 1666th | |
| Primes | 2387th | |
| Safe primes | 200th | |
| Semiprimes | 5380th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010111010112 | 1010010111101012 |
| Base 3 | 10020100123 | 10020101203 |
| Base 4 | 110232234 | 110233114 |
| Base 5 | 11344025 | 11344225 |
| Base 6 | 2421356 | 2421536 |
| Base 7 | 1156137 | 1156267 |
| Base 8 | 513538 | 513658 |
| Base 9 | 321059 | 321169 |
| Base 10 | 2122710 | 2123710 |
| Base 11 | 14a4811 | 14a5711 |
| Base 12 | 1034b12 | 1035912 |
| Base 13 | 987b13 | 988813 |
| Base 14 | 7a4314 | 7a4d14 |
| Base 15 | 645215 | 645c15 |
| Base 16 | 52eb16 | 52f516 |