Compare 231 vs 239
| Property | 231 | 239 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 111 | 2391 |
| Prime factorization | 3 × 7 × 11 | 239 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 11, 21, 33, 77, 231 | 1, 239 |
| Number of properties | 0 | 10 |
| Chen primes | 40th | |
| Happy primes | 13th | |
| Harmonic primes | 18th | |
| Primes | 52nd | |
| Right-truncatable primes | 15th | |
| Sexy primes (2nd member) | 29th | |
| Sexy prime triplets (3rd member) | 14th | |
| Solinas primes | 28th | |
| Sophie germain primes | 17th | |
| Twin primes (1st member) | 17th | |
| Roman numberals | CCXXXI | CCXXXIX |
| Base 2 | 111001112 | 111011112 |
| Base 3 | 221203 | 222123 |
| Base 4 | 32134 | 32334 |
| Base 5 | 14115 | 14245 |
| Base 6 | 10236 | 10356 |
| Base 7 | 4507 | 4617 |
| Base 8 | 3478 | 3578 |
| Base 9 | 2769 | 2859 |
| Base 10 | 23110 | 23910 |
| Base 11 | 1a011 | 1a811 |
| Base 12 | 17312 | 17b12 |
| Base 13 | 14a13 | 15513 |
| Base 14 | 12714 | 13114 |
| Base 15 | 10615 | 10e15 |
| Base 16 | e716 | ef16 |