Compare 21220 vs 21227
| Property | 21220 | 21227 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 10611 | 212271 |
| Prime factorization | 2 × 2 × 5 × 1061 | 21227 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 1061, 2122, 4244, 5305, 10610, 21220 | 1, 21227 |
| Number of properties | 0 | 4 |
| Isolated primes | 1666th | |
| Primes | 2387th | |
| Safe primes | 200th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010111001002 | 1010010111010112 |
| Base 3 | 10020022213 | 10020100123 |
| Base 4 | 110232104 | 110232234 |
| Base 5 | 11343405 | 11344025 |
| Base 6 | 2421246 | 2421356 |
| Base 7 | 1156037 | 1156137 |
| Base 8 | 513448 | 513538 |
| Base 9 | 320879 | 321059 |
| Base 10 | 2122010 | 2122710 |
| Base 11 | 14a4111 | 14a4811 |
| Base 12 | 1034412 | 1034b12 |
| Base 13 | 987413 | 987b13 |
| Base 14 | 7a3a14 | 7a4314 |
| Base 15 | 644a15 | 645215 |
| Base 16 | 52e416 | 52eb16 |