Compare 157 vs 271
| Property | 157 | 271 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 1571 | 2711 | 
| Prime factorization | 157 | 271 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 157 | 1, 271 | 
| Number of properties | 11 | 6 | 
| Additive primes | 21st | |
| Chen primes | 30th | |
| Cuban primes 1 | 6th | |
| Emirps | 12th | |
| Harmonic primes | 13th | |
| Isolated primes | 14th | |
| Primes | 37th | 58th | 
| Pythagorean primes | 17th | |
| Sexy primes (1st member) | 22nd | 33rd | 
| Sexy primes (2nd member) | 21st | |
| Sexy prime triplets (1st member) | 17th | |
| Sexy prime triplets (2nd member) | 12th | |
| Solinas primes | 33rd | |
| Super primes | 12th | |
| Twin primes (2nd member) | 18th | |
| Roman numberals | CLVII | CCLXXI | 
| Base 2 | 100111012 | 1000011112 | 
| Base 3 | 122113 | 1010013 | 
| Base 4 | 21314 | 100334 | 
| Base 5 | 11125 | 20415 | 
| Base 6 | 4216 | 11316 | 
| Base 7 | 3137 | 5357 | 
| Base 8 | 2358 | 4178 | 
| Base 9 | 1849 | 3319 | 
| Base 10 | 15710 | 27110 | 
| Base 11 | 13311 | 22711 | 
| Base 12 | 11112 | 1a712 | 
| Base 13 | c113 | 17b13 | 
| Base 14 | b314 | 15514 | 
| Base 15 | a715 | 13115 | 
| Base 16 | 9d16 | 10f16 |