Compare 199 vs 331
| Property | 199 | 331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1991 | 3311 |
| Prime factorization | 199 | 331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 199 | 1, 331 |
| Number of properties | 10 | 10 |
| Additive primes | 27th | 39th |
| Centered triangular primes | 4th | |
| Chen primes | 36th | |
| Cuban primes 1 | 7th | |
| Emirps | 15th | |
| Good primes | 24th | |
| Happy primes | 17th | |
| Harmonic primes | 28th | |
| Isolated primes | 28th | |
| Lucas primes | 7th | |
| Lucky primes | 19th | |
| Primes | 46th | 67th |
| Prime quadruplets (4th member) | 4th | |
| Prime triplets (3rd member) | 14th | |
| Sexy primes (1st member) | 37th | |
| Sexy primes (2nd member) | 26th | |
| Super primes | 19th | |
| Twin primes (2nd member) | 15th | |
| Roman numberals | CXCIX | CCCXXXI |
| Base 2 | 110001112 | 1010010112 |
| Base 3 | 211013 | 1100213 |
| Base 4 | 30134 | 110234 |
| Base 5 | 12445 | 23115 |
| Base 6 | 5316 | 13116 |
| Base 7 | 4037 | 6527 |
| Base 8 | 3078 | 5138 |
| Base 9 | 2419 | 4079 |
| Base 10 | 19910 | 33110 |
| Base 11 | 17111 | 28111 |
| Base 12 | 14712 | 23712 |
| Base 13 | 12413 | 1c613 |
| Base 14 | 10314 | 19914 |
| Base 15 | d415 | 17115 |
| Base 16 | c716 | 14b16 |