Compare 22121 vs 22123
| Property | 22121 | 22123 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 20111 | 221231 |
| Prime factorization | 11 × 2011 | 22123 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 2011, 22121 | 1, 22123 |
| Number of properties | 1 | 4 |
| Harmonic primes | 913th | |
| Isolated primes | 1731st | |
| Primes | 2480th | |
| Semiprimes | 5577th | |
| Sexy primes (1st member) | 747th | |
| Roman numberals | ||
| Base 2 | 1010110011010012 | 1010110011010112 |
| Base 3 | 10101000223 | 10101001013 |
| Base 4 | 111212214 | 111212234 |
| Base 5 | 12014415 | 12014435 |
| Base 6 | 2502256 | 2502316 |
| Base 7 | 1213317 | 1213337 |
| Base 8 | 531518 | 531538 |
| Base 9 | 333089 | 333119 |
| Base 10 | 2212110 | 2212310 |
| Base 11 | 1569011 | 1569211 |
| Base 12 | 1097512 | 1097712 |
| Base 13 | a0b813 | a0ba13 |
| Base 14 | 80c114 | 80c314 |
| Base 15 | 684b15 | 684d15 |
| Base 16 | 566916 | 566b16 |