Compare 21219 vs 21227
| Property | 21219 | 21227 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 111 × 6431 | 212271 |
| Prime factorization | 3 × 11 × 643 | 21227 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 11, 33, 643, 1929, 7073, 21219 | 1, 21227 |
| Number of properties | 0 | 4 |
| Isolated primes | 1666th | |
| Primes | 2387th | |
| Safe primes | 200th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010111000112 | 1010010111010112 |
| Base 3 | 10020022203 | 10020100123 |
| Base 4 | 110232034 | 110232234 |
| Base 5 | 11343345 | 11344025 |
| Base 6 | 2421236 | 2421356 |
| Base 7 | 1156027 | 1156137 |
| Base 8 | 513438 | 513538 |
| Base 9 | 320869 | 321059 |
| Base 10 | 2121910 | 2122710 |
| Base 11 | 14a4011 | 14a4811 |
| Base 12 | 1034312 | 1034b12 |
| Base 13 | 987313 | 987b13 |
| Base 14 | 7a3914 | 7a4314 |
| Base 15 | 644915 | 645215 |
| Base 16 | 52e316 | 52eb16 |