Compare 239 vs 331
| Property | 239 | 331 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2391 | 3311 |
| Prime factorization | 239 | 331 |
| Divisors count | 2 | 2 |
| Divisors | 1, 239 | 1, 331 |
| Number of properties | 10 | 10 |
| Additive primes | 39th | |
| Chen primes | 40th | |
| Cuban primes 1 | 7th | |
| Good primes | 24th | |
| Happy primes | 13th | 17th |
| Harmonic primes | 18th | 28th |
| Isolated primes | 28th | |
| Lucky primes | 19th | |
| Primes | 52nd | 67th |
| Right-truncatable primes | 15th | |
| Sexy primes (1st member) | 37th | |
| Sexy primes (2nd member) | 29th | |
| Sexy prime triplets (3rd member) | 14th | |
| Solinas primes | 28th | |
| Sophie germain primes | 17th | |
| Super primes | 19th | |
| Twin primes (1st member) | 17th | |
| Roman numberals | CCXXXIX | CCCXXXI |
| Base 2 | 111011112 | 1010010112 |
| Base 3 | 222123 | 1100213 |
| Base 4 | 32334 | 110234 |
| Base 5 | 14245 | 23115 |
| Base 6 | 10356 | 13116 |
| Base 7 | 4617 | 6527 |
| Base 8 | 3578 | 5138 |
| Base 9 | 2859 | 4079 |
| Base 10 | 23910 | 33110 |
| Base 11 | 1a811 | 28111 |
| Base 12 | 17b12 | 23712 |
| Base 13 | 15513 | 1c613 |
| Base 14 | 13114 | 19914 |
| Base 15 | 10e15 | 17115 |
| Base 16 | ef16 | 14b16 |