Compare 1931 vs 2111
| Property | 1931 | 2111 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19311 | 21111 |
| Prime factorization | 1931 | 2111 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1931 | 1, 2111 |
| Number of properties | 5 | 8 |
| Additive primes | 166th | |
| Chen primes | 182nd | 195th |
| Happy primes | 58th | |
| Harmonic primes | 108th | 117th |
| Multiplicative primes | 18th | |
| Primes | 294th | 318th |
| Solinas primes | 59th | |
| Sophie germain primes | 59th | |
| Twin primes (1st member) | 59th | 65th |
| Roman numberals | MCMXXXI | MMCXI |
| Base 2 | 111100010112 | 1000001111112 |
| Base 3 | 21221123 | 22200123 |
| Base 4 | 1320234 | 2003334 |
| Base 5 | 302115 | 314215 |
| Base 6 | 125356 | 134356 |
| Base 7 | 54267 | 61047 |
| Base 8 | 36138 | 40778 |
| Base 9 | 25759 | 28059 |
| Base 10 | 193110 | 211110 |
| Base 11 | 14a611 | 164a11 |
| Base 12 | 114b12 | 127b12 |
| Base 13 | b5713 | c6513 |
| Base 14 | 9bd14 | aab14 |
| Base 15 | 88b15 | 95b15 |
| Base 16 | 78b16 | 83f16 |