Compare 193 vs 281
| Property | 193 | 281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1931 | 2811 |
| Prime factorization | 193 | 281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 193 | 1, 281 |
| Number of properties | 18 | 10 |
| Additive primes | 25th | 34th |
| Centered decagonal primes | 7th | |
| Chen primes | 45th | |
| Cousin primes (1st member) | 14th | |
| Cousin primes (2nd member) | 17th | |
| Cuban primes 2 | 3rd | |
| Happy primes | 12th | |
| Harmonic primes | 16th | 23rd |
| Long primes | 17th | |
| Lucky primes | 13th | |
| Pierpont primes | 13th | |
| Primes | 44th | 60th |
| Prime quadruplets (2nd member) | 4th | |
| Prime triplets (1st member) | 14th | |
| Prime triplets (2nd member) | 13th | 17th |
| Proth primes | 8th | |
| Pythagorean primes | 20th | 28th |
| Sexy primes (1st member) | 26th | |
| Solinas primes | 26th | |
| Sophie germain primes | 19th | |
| Thabit primes of the 2nd kind | 4th | |
| Twin primes (1st member) | 19th | |
| Twin primes (2nd member) | 14th | |
| Roman numberals | CXCIII | CCLXXXI |
| Base 2 | 110000012 | 1000110012 |
| Base 3 | 210113 | 1011023 |
| Base 4 | 30014 | 101214 |
| Base 5 | 12335 | 21115 |
| Base 6 | 5216 | 11456 |
| Base 7 | 3647 | 5517 |
| Base 8 | 3018 | 4318 |
| Base 9 | 2349 | 3429 |
| Base 10 | 19310 | 28110 |
| Base 11 | 16611 | 23611 |
| Base 12 | 14112 | 1b512 |
| Base 13 | 11b13 | 18813 |
| Base 14 | db14 | 16114 |
| Base 15 | cd15 | 13b15 |
| Base 16 | c116 | 11916 |