Compare 157 vs 709
| Property | 157 | 709 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1571 | 7091 |
| Prime factorization | 157 | 709 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157 | 1, 709 |
| Number of properties | 11 | 8 |
| Additive primes | 21st | |
| Chen primes | 30th | |
| Emirps | 12th | 22nd |
| Happy primes | 29th | |
| Harmonic primes | 13th | 51st |
| Isolated primes | 14th | 68th |
| Long primes | 46th | |
| Primes | 37th | 127th |
| Pythagorean primes | 17th | 61st |
| Sexy primes (1st member) | 22nd | |
| Sexy primes (2nd member) | 21st | |
| Sexy prime triplets (2nd member) | 12th | |
| Super primes | 12th | 31st |
| Roman numberals | CLVII | DCCIX |
| Base 2 | 100111012 | 10110001012 |
| Base 3 | 122113 | 2220213 |
| Base 4 | 21314 | 230114 |
| Base 5 | 11125 | 103145 |
| Base 6 | 4216 | 31416 |
| Base 7 | 3137 | 20327 |
| Base 8 | 2358 | 13058 |
| Base 9 | 1849 | 8679 |
| Base 10 | 15710 | 70910 |
| Base 11 | 13311 | 59511 |
| Base 12 | 11112 | 4b112 |
| Base 13 | c113 | 42713 |
| Base 14 | b314 | 38914 |
| Base 15 | a715 | 32415 |
| Base 16 | 9d16 | 2c516 |