Compare 157 vs 263
| Property | 157 | 263 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1571 | 2631 |
| Prime factorization | 157 | 263 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157 | 1, 263 |
| Number of properties | 11 | 14 |
| Additive primes | 21st | 32nd |
| Chen primes | 30th | 43rd |
| Emirps | 12th | |
| Happy primes | 14th | |
| Harmonic primes | 13th | 21st |
| Isolated primes | 14th | 23rd |
| Long primes | 22nd | |
| Primes | 37th | 56th |
| Pythagorean primes | 17th | |
| Safe primes | 12th | |
| Sexy primes (1st member) | 22nd | 32nd |
| Sexy primes (2nd member) | 21st | 31st |
| Sexy prime quadrupletss (3rd member) | 5th | |
| Sexy prime triplets (2nd member) | 12th | 16th |
| Sexy prime triplets (3rd member) | 15th | |
| Solinas primes | 32nd | |
| Super primes | 12th | |
| Roman numberals | CLVII | CCLXIII |
| Base 2 | 100111012 | 1000001112 |
| Base 3 | 122113 | 1002023 |
| Base 4 | 21314 | 100134 |
| Base 5 | 11125 | 20235 |
| Base 6 | 4216 | 11156 |
| Base 7 | 3137 | 5247 |
| Base 8 | 2358 | 4078 |
| Base 9 | 1849 | 3229 |
| Base 10 | 15710 | 26310 |
| Base 11 | 13311 | 21a11 |
| Base 12 | 11112 | 19b12 |
| Base 13 | c113 | 17313 |
| Base 14 | b314 | 14b14 |
| Base 15 | a715 | 12815 |
| Base 16 | 9d16 | 10716 |