Compare 2101 vs 2111
| Property | 2101 | 2111 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 1911 | 21111 |
| Prime factorization | 11 × 191 | 2111 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 191, 2101 | 1, 2111 |
| Number of properties | 1 | 8 |
| Additive primes | 166th | |
| Chen primes | 195th | |
| Happy primes | 58th | |
| Harmonic primes | 117th | |
| Multiplicative primes | 18th | |
| Primes | 318th | |
| Semiprimes | 601st | |
| Solinas primes | 59th | |
| Twin primes (1st member) | 65th | |
| Roman numberals | MMCI | MMCXI |
| Base 2 | 1000001101012 | 1000001111112 |
| Base 3 | 22122113 | 22200123 |
| Base 4 | 2003114 | 2003334 |
| Base 5 | 314015 | 314215 |
| Base 6 | 134216 | 134356 |
| Base 7 | 60617 | 61047 |
| Base 8 | 40658 | 40778 |
| Base 9 | 27849 | 28059 |
| Base 10 | 210110 | 211110 |
| Base 11 | 164011 | 164a11 |
| Base 12 | 127112 | 127b12 |
| Base 13 | c5813 | c6513 |
| Base 14 | aa114 | aab14 |
| Base 15 | 95115 | 95b15 |
| Base 16 | 83516 | 83f16 |