Compare 331 vs 1801
| Property | 331 | 1801 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3311 | 18011 |
| Prime factorization | 331 | 1801 |
| Divisors count | 2 | 2 |
| Divisors | 1, 331 | 1, 1801 |
| Number of properties | 10 | 7 |
| Additive primes | 39th | |
| Chen primes | 174th | |
| Cuban primes 1 | 7th | 13th |
| Good primes | 24th | |
| Happy primes | 17th | |
| Harmonic primes | 28th | 99th |
| Isolated primes | 28th | 168th |
| Lucky primes | 19th | 66th |
| Primes | 67th | 279th |
| Pythagorean primes | 136th | |
| Sexy primes (1st member) | 37th | |
| Super primes | 19th | |
| Roman numberals | CCCXXXI | MDCCCI |
| Base 2 | 1010010112 | 111000010012 |
| Base 3 | 1100213 | 21102013 |
| Base 4 | 110234 | 1300214 |
| Base 5 | 23115 | 242015 |
| Base 6 | 13116 | 122016 |
| Base 7 | 6527 | 51527 |
| Base 8 | 5138 | 34118 |
| Base 9 | 4079 | 24219 |
| Base 10 | 33110 | 180110 |
| Base 11 | 28111 | 139811 |
| Base 12 | 23712 | 106112 |
| Base 13 | 1c613 | a8713 |
| Base 14 | 19914 | 92914 |
| Base 15 | 17115 | 80115 |
| Base 16 | 14b16 | 70916 |