Compare 22081 vs 22091
| Property | 22081 | 22091 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 711 × 3111 | 220911 |
| Prime factorization | 71 × 311 | 22091 |
| Divisors count | 4 | 2 |
| Divisors | 1, 71, 311, 22081 | 1, 22091 |
| Number of properties | 1 | 4 |
| Chen primes | 1215th | |
| Harmonic primes | 911th | |
| Primes | 2476th | |
| Semiprimes | 5567th | |
| Twin primes (1st member) | 374th | |
| Roman numberals | ||
| Base 2 | 1010110010000012 | 1010110010010112 |
| Base 3 | 10100212113 | 10100220123 |
| Base 4 | 111210014 | 111210234 |
| Base 5 | 12013115 | 12013315 |
| Base 6 | 2501216 | 2501356 |
| Base 7 | 1212437 | 1212567 |
| Base 8 | 531018 | 531138 |
| Base 9 | 332549 | 332659 |
| Base 10 | 2208110 | 2209110 |
| Base 11 | 1565411 | 1566311 |
| Base 12 | 1094112 | 1094b12 |
| Base 13 | a08713 | a09413 |
| Base 14 | 809314 | 809d14 |
| Base 15 | 682115 | 682b15 |
| Base 16 | 564116 | 564b16 |