Compare 21227 vs 21231
| Property | 21227 | 21231 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 212271 | 32 × 71 × 3371 |
| Prime factorization | 21227 | 3 × 3 × 7 × 337 |
| Divisors count | 2 | 12 |
| Divisors | 1, 21227 | 1, 3, 7, 9, 21, 63, 337, 1011, 2359, 3033, 7077, 21231 |
| Number of properties | 4 | 0 |
| Isolated primes | 1666th | |
| Primes | 2387th | |
| Safe primes | 200th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010111010112 | 1010010111011112 |
| Base 3 | 10020100123 | 10020101003 |
| Base 4 | 110232234 | 110232334 |
| Base 5 | 11344025 | 11344115 |
| Base 6 | 2421356 | 2421436 |
| Base 7 | 1156137 | 1156207 |
| Base 8 | 513538 | 513578 |
| Base 9 | 321059 | 321109 |
| Base 10 | 2122710 | 2123110 |
| Base 11 | 14a4811 | 14a5111 |
| Base 12 | 1034b12 | 1035312 |
| Base 13 | 987b13 | 988213 |
| Base 14 | 7a4314 | 7a4714 |
| Base 15 | 645215 | 645615 |
| Base 16 | 52eb16 | 52ef16 |