Compare 193 vs 257
| Property | 193 | 257 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1931 | 2571 |
| Prime factorization | 193 | 257 |
| Divisors count | 2 | 2 |
| Divisors | 1, 193 | 1, 257 |
| Number of properties | 18 | 16 |
| Additive primes | 25th | |
| Chen primes | 42nd | |
| Cousin primes (1st member) | 14th | |
| Cuban primes 2 | 3rd | |
| Fermat primes | 4th | |
| Good primes | 20th | |
| Happy primes | 12th | |
| Harmonic primes | 16th | |
| Isolated primes | 22nd | |
| Long primes | 17th | 21st |
| Lucky primes | 13th | |
| Pierpont primes | 13th | 14th |
| Primes | 44th | 55th |
| Prime quadruplets (2nd member) | 4th | |
| Prime triplets (1st member) | 14th | |
| Prime triplets (2nd member) | 13th | |
| Proth primes | 8th | 10th |
| Pythagorean primes | 20th | 25th |
| Quartan primes | 4th | |
| Sexy primes (1st member) | 26th | 31st |
| Sexy primes (2nd member) | 30th | |
| Sexy prime quadrupletss (2nd member) | 5th | |
| Sexy prime triplets (1st member) | 16th | |
| Sexy prime triplets (2nd member) | 15th | |
| Solinas primes | 26th | 31st |
| Thabit primes of the 2nd kind | 4th | |
| Twin primes (2nd member) | 14th | |
| Roman numberals | CXCIII | CCLVII |
| Base 2 | 110000012 | 1000000012 |
| Base 3 | 210113 | 1001123 |
| Base 4 | 30014 | 100014 |
| Base 5 | 12335 | 20125 |
| Base 6 | 5216 | 11056 |
| Base 7 | 3647 | 5157 |
| Base 8 | 3018 | 4018 |
| Base 9 | 2349 | 3159 |
| Base 10 | 19310 | 25710 |
| Base 11 | 16611 | 21411 |
| Base 12 | 14112 | 19512 |
| Base 13 | 11b13 | 16a13 |
| Base 14 | db14 | 14514 |
| Base 15 | cd15 | 12215 |
| Base 16 | c116 | 10116 |