Compare 157 vs 283
| Property | 157 | 283 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1571 | 2831 |
| Prime factorization | 157 | 283 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157 | 1, 283 |
| Number of properties | 11 | 9 |
| Additive primes | 21st | 35th |
| Chen primes | 30th | |
| Emirps | 12th | |
| Harmonic primes | 13th | |
| Isolated primes | 14th | |
| Left-truncatable primes | 22nd | |
| Lucky primes | 17th | |
| Primes | 37th | 61st |
| Prime triplets (3rd member) | 17th | |
| Pythagorean primes | 17th | |
| Sexy primes (1st member) | 22nd | |
| Sexy primes (2nd member) | 21st | 34th |
| Sexy prime triplets (2nd member) | 12th | |
| Sexy prime triplets (3rd member) | 17th | |
| Super primes | 12th | 18th |
| Twin primes (2nd member) | 19th | |
| Roman numberals | CLVII | CCLXXXIII |
| Base 2 | 100111012 | 1000110112 |
| Base 3 | 122113 | 1011113 |
| Base 4 | 21314 | 101234 |
| Base 5 | 11125 | 21135 |
| Base 6 | 4216 | 11516 |
| Base 7 | 3137 | 5537 |
| Base 8 | 2358 | 4338 |
| Base 9 | 1849 | 3449 |
| Base 10 | 15710 | 28310 |
| Base 11 | 13311 | 23811 |
| Base 12 | 11112 | 1b712 |
| Base 13 | c113 | 18a13 |
| Base 14 | b314 | 16314 |
| Base 15 | a715 | 13d15 |
| Base 16 | 9d16 | 11b16 |