Compare 1931 vs 1973
| Property | 1931 | 1973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19311 | 19731 |
| Prime factorization | 1931 | 1973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1931 | 1, 1973 |
| Number of properties | 5 | 7 |
| Chen primes | 182nd | |
| Good primes | 61st | |
| Harmonic primes | 108th | 111th |
| Isolated primes | 179th | |
| Primes | 294th | 298th |
| Pythagorean primes | 145th | |
| Sexy primes (1st member) | 126th | |
| Sophie germain primes | 59th | 60th |
| Twin primes (1st member) | 59th | |
| Roman numberals | MCMXXXI | MCMLXXIII |
| Base 2 | 111100010112 | 111101101012 |
| Base 3 | 21221123 | 22010023 |
| Base 4 | 1320234 | 1323114 |
| Base 5 | 302115 | 303435 |
| Base 6 | 125356 | 130456 |
| Base 7 | 54267 | 55167 |
| Base 8 | 36138 | 36658 |
| Base 9 | 25759 | 26329 |
| Base 10 | 193110 | 197310 |
| Base 11 | 14a611 | 153411 |
| Base 12 | 114b12 | 118512 |
| Base 13 | b5713 | b8a13 |
| Base 14 | 9bd14 | a0d14 |
| Base 15 | 88b15 | 8b815 |
| Base 16 | 78b16 | 7b516 |