Compare 1601 vs 1931
| Property | 1601 | 1931 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16011 | 19311 |
| Prime factorization | 1601 | 1931 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1601 | 1, 1931 |
| Number of properties | 12 | 5 |
| Chen primes | 160th | 182nd |
| Cousin primes (2nd member) | 57th | |
| Emirps | 78th | |
| Harmonic primes | 85th | 108th |
| Isolated primes | 153rd | |
| Primes | 252nd | 294th |
| Proth primes | 21st | |
| Pythagorean primes | 120th | |
| Sexy primes (1st member) | 108th | |
| Sexy prime quadrupletss (1st member) | 10th | |
| Sexy prime triplets (1st member) | 41st | |
| Sophie germain primes | 54th | 59th |
| Twin primes (1st member) | 59th | |
| Roman numberals | MDCI | MCMXXXI |
| Base 2 | 110010000012 | 111100010112 |
| Base 3 | 20120223 | 21221123 |
| Base 4 | 1210014 | 1320234 |
| Base 5 | 224015 | 302115 |
| Base 6 | 112256 | 125356 |
| Base 7 | 44457 | 54267 |
| Base 8 | 31018 | 36138 |
| Base 9 | 21689 | 25759 |
| Base 10 | 160110 | 193110 |
| Base 11 | 122611 | 14a611 |
| Base 12 | b1512 | 114b12 |
| Base 13 | 96213 | b5713 |
| Base 14 | 82514 | 9bd14 |
| Base 15 | 71b15 | 88b15 |
| Base 16 | 64116 | 78b16 |