Compare 21223 vs 21227
| Property | 21223 | 21227 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 191 × 11171 | 212271 |
| Prime factorization | 19 × 1117 | 21227 |
| Divisors count | 4 | 2 |
| Divisors | 1, 19, 1117, 21223 | 1, 21227 |
| Number of properties | 1 | 4 |
| Isolated primes | 1666th | |
| Primes | 2387th | |
| Safe primes | 200th | |
| Semiprimes | 5377th | |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010010111001112 | 1010010111010112 |
| Base 3 | 10020100013 | 10020100123 |
| Base 4 | 110232134 | 110232234 |
| Base 5 | 11343435 | 11344025 |
| Base 6 | 2421316 | 2421356 |
| Base 7 | 1156067 | 1156137 |
| Base 8 | 513478 | 513538 |
| Base 9 | 321019 | 321059 |
| Base 10 | 2122310 | 2122710 |
| Base 11 | 14a4411 | 14a4811 |
| Base 12 | 1034712 | 1034b12 |
| Base 13 | 987713 | 987b13 |
| Base 14 | 7a3d14 | 7a4314 |
| Base 15 | 644d15 | 645215 |
| Base 16 | 52e716 | 52eb16 |