Compare 21227 vs 21238
| Property | 21227 | 21238 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 212271 | 21 × 71 × 371 × 411 |
| Prime factorization | 21227 | 2 × 7 × 37 × 41 |
| Divisors count | 2 | 16 |
| Divisors | 1, 21227 | 1, 2, 7, 14, 37, 41, 74, 82, 259, 287, 518, 574, 1517, 3034, 10619, 21238 |
| Number of properties | 4 | 0 |
| Isolated primes | 1666th | |
| Primes | 2387th | |
| Safe primes | 200th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010111010112 | 1010010111101102 |
| Base 3 | 10020100123 | 10020101213 |
| Base 4 | 110232234 | 110233124 |
| Base 5 | 11344025 | 11344235 |
| Base 6 | 2421356 | 2421546 |
| Base 7 | 1156137 | 1156307 |
| Base 8 | 513538 | 513668 |
| Base 9 | 321059 | 321179 |
| Base 10 | 2122710 | 2123810 |
| Base 11 | 14a4811 | 14a5811 |
| Base 12 | 1034b12 | 1035a12 |
| Base 13 | 987b13 | 988913 |
| Base 14 | 7a4314 | 7a5014 |
| Base 15 | 645215 | 645d15 |
| Base 16 | 52eb16 | 52f616 |