Compare 2111 vs 2121
| Property | 2111 | 2121 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 21111 | 31 × 71 × 1011 |
| Prime factorization | 2111 | 3 × 7 × 101 |
| Divisors count | 2 | 8 |
| Divisors | 1, 2111 | 1, 3, 7, 21, 101, 303, 707, 2121 |
| Number of properties | 8 | 0 |
| Additive primes | 166th | |
| Chen primes | 195th | |
| Happy primes | 58th | |
| Harmonic primes | 117th | |
| Multiplicative primes | 18th | |
| Primes | 318th | |
| Solinas primes | 59th | |
| Twin primes (1st member) | 65th | |
| Roman numberals | MMCXI | MMCXXI |
| Base 2 | 1000001111112 | 1000010010012 |
| Base 3 | 22200123 | 22201203 |
| Base 4 | 2003334 | 2010214 |
| Base 5 | 314215 | 314415 |
| Base 6 | 134356 | 134536 |
| Base 7 | 61047 | 61207 |
| Base 8 | 40778 | 41118 |
| Base 9 | 28059 | 28169 |
| Base 10 | 211110 | 212110 |
| Base 11 | 164a11 | 165911 |
| Base 12 | 127b12 | 128912 |
| Base 13 | c6513 | c7213 |
| Base 14 | aab14 | ab714 |
| Base 15 | 95b15 | 96615 |
| Base 16 | 83f16 | 84916 |