Compare 157 vs 239
| Property | 157 | 239 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1571 | 2391 |
| Prime factorization | 157 | 239 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157 | 1, 239 |
| Number of properties | 11 | 10 |
| Additive primes | 21st | |
| Chen primes | 30th | 40th |
| Emirps | 12th | |
| Happy primes | 13th | |
| Harmonic primes | 13th | 18th |
| Isolated primes | 14th | |
| Primes | 37th | 52nd |
| Pythagorean primes | 17th | |
| Right-truncatable primes | 15th | |
| Sexy primes (1st member) | 22nd | |
| Sexy primes (2nd member) | 21st | 29th |
| Sexy prime triplets (2nd member) | 12th | |
| Sexy prime triplets (3rd member) | 14th | |
| Solinas primes | 28th | |
| Sophie germain primes | 17th | |
| Super primes | 12th | |
| Twin primes (1st member) | 17th | |
| Roman numberals | CLVII | CCXXXIX |
| Base 2 | 100111012 | 111011112 |
| Base 3 | 122113 | 222123 |
| Base 4 | 21314 | 32334 |
| Base 5 | 11125 | 14245 |
| Base 6 | 4216 | 10356 |
| Base 7 | 3137 | 4617 |
| Base 8 | 2358 | 3578 |
| Base 9 | 1849 | 2859 |
| Base 10 | 15710 | 23910 |
| Base 11 | 13311 | 1a811 |
| Base 12 | 11112 | 17b12 |
| Base 13 | c113 | 15513 |
| Base 14 | b314 | 13114 |
| Base 15 | a715 | 10e15 |
| Base 16 | 9d16 | ef16 |