Compare 1583 vs 1931
| Property | 1583 | 1931 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15831 | 19311 |
| Prime factorization | 1583 | 1931 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1583 | 1, 1931 |
| Number of properties | 9 | 5 |
| Additive primes | 135th | |
| Chen primes | 159th | 182nd |
| Cousin primes (2nd member) | 56th | |
| Emirps | 76th | |
| Harmonic primes | 84th | 108th |
| Isolated primes | 151st | |
| Long primes | 98th | |
| Primes | 250th | 294th |
| Sophie germain primes | 53rd | 59th |
| Twin primes (1st member) | 59th | |
| Roman numberals | MDLXXXIII | MCMXXXI |
| Base 2 | 110001011112 | 111100010112 |
| Base 3 | 20111223 | 21221123 |
| Base 4 | 1202334 | 1320234 |
| Base 5 | 223135 | 302115 |
| Base 6 | 111556 | 125356 |
| Base 7 | 44217 | 54267 |
| Base 8 | 30578 | 36138 |
| Base 9 | 21489 | 25759 |
| Base 10 | 158310 | 193110 |
| Base 11 | 120a11 | 14a611 |
| Base 12 | abb12 | 114b12 |
| Base 13 | 94a13 | b5713 |
| Base 14 | 81114 | 9bd14 |
| Base 15 | 70815 | 88b15 |
| Base 16 | 62f16 | 78b16 |