Compare 2121 vs 2123
| Property | 2121 | 2123 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 71 × 1011 | 111 × 1931 |
| Prime factorization | 3 × 7 × 101 | 11 × 193 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 7, 21, 101, 303, 707, 2121 | 1, 11, 193, 2123 |
| Number of properties | 0 | 1 |
| Semiprimes | 608th | |
| Roman numberals | MMCXXI | MMCXXIII |
| Base 2 | 1000010010012 | 1000010010112 |
| Base 3 | 22201203 | 22201223 |
| Base 4 | 2010214 | 2010234 |
| Base 5 | 314415 | 314435 |
| Base 6 | 134536 | 134556 |
| Base 7 | 61207 | 61227 |
| Base 8 | 41118 | 41138 |
| Base 9 | 28169 | 28189 |
| Base 10 | 212110 | 212310 |
| Base 11 | 165911 | 166011 |
| Base 12 | 128912 | 128b12 |
| Base 13 | c7213 | c7413 |
| Base 14 | ab714 | ab914 |
| Base 15 | 96615 | 96815 |
| Base 16 | 84916 | 84b16 |