Compare 157 vs 173
| Property | 157 | 173 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1571 | 1731 |
| Prime factorization | 157 | 173 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157 | 1, 173 |
| Number of properties | 11 | 9 |
| Additive primes | 21st | 22nd |
| Chen primes | 30th | |
| Emirps | 12th | |
| Harmonic primes | 13th | |
| Isolated primes | 14th | 17th |
| Left-truncatable primes | 19th | |
| Primes | 37th | 40th |
| Pythagorean primes | 17th | 18th |
| Sexy primes (1st member) | 22nd | 24th |
| Sexy primes (2nd member) | 21st | 23rd |
| Sexy prime triplets (2nd member) | 12th | 13th |
| Sophie germain primes | 13th | |
| Super primes | 12th | |
| Roman numberals | CLVII | CLXXIII |
| Base 2 | 100111012 | 101011012 |
| Base 3 | 122113 | 201023 |
| Base 4 | 21314 | 22314 |
| Base 5 | 11125 | 11435 |
| Base 6 | 4216 | 4456 |
| Base 7 | 3137 | 3357 |
| Base 8 | 2358 | 2558 |
| Base 9 | 1849 | 2129 |
| Base 10 | 15710 | 17310 |
| Base 11 | 13311 | 14811 |
| Base 12 | 11112 | 12512 |
| Base 13 | c113 | 10413 |
| Base 14 | b314 | c514 |
| Base 15 | a715 | b815 |
| Base 16 | 9d16 | ad16 |