Compare 1931 vs 2039
| Property | 1931 | 2039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19311 | 20391 |
| Prime factorization | 1931 | 2039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1931 | 1, 2039 |
| Number of properties | 5 | 8 |
| Chen primes | 182nd | 190th |
| Happy primes | 56th | |
| Harmonic primes | 108th | 115th |
| Isolated primes | 186th | |
| Primes | 294th | 309th |
| Safe primes | 39th | |
| Solinas primes | 55th | |
| Sophie germain primes | 59th | 62nd |
| Twin primes (1st member) | 59th | |
| Roman numberals | MCMXXXI | MMXXXIX |
| Base 2 | 111100010112 | 111111101112 |
| Base 3 | 21221123 | 22101123 |
| Base 4 | 1320234 | 1333134 |
| Base 5 | 302115 | 311245 |
| Base 6 | 125356 | 132356 |
| Base 7 | 54267 | 56427 |
| Base 8 | 36138 | 37678 |
| Base 9 | 25759 | 27159 |
| Base 10 | 193110 | 203910 |
| Base 11 | 14a611 | 159411 |
| Base 12 | 114b12 | 121b12 |
| Base 13 | b5713 | c0b13 |
| Base 14 | 9bd14 | a5914 |
| Base 15 | 88b15 | 90e15 |
| Base 16 | 78b16 | 7f716 |