Compare 193 vs 421
| Property | 193 | 421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1931 | 4211 |
| Prime factorization | 193 | 421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 193 | 1, 421 |
| Number of properties | 18 | 6 |
| Additive primes | 25th | 48th |
| Centered square primes | 8th | |
| Cousin primes (1st member) | 14th | |
| Cuban primes 2 | 3rd | |
| Happy primes | 12th | |
| Harmonic primes | 16th | |
| Long primes | 17th | |
| Lucky primes | 13th | 23rd |
| Pierpont primes | 13th | |
| Primes | 44th | 82nd |
| Prime quadruplets (2nd member) | 4th | |
| Prime triplets (1st member) | 14th | |
| Prime triplets (2nd member) | 13th | |
| Proth primes | 8th | |
| Pythagorean primes | 20th | 40th |
| Sexy primes (1st member) | 26th | |
| Solinas primes | 26th | |
| Thabit primes of the 2nd kind | 4th | |
| Twin primes (2nd member) | 14th | 22nd |
| Roman numberals | CXCIII | CDXXI |
| Base 2 | 110000012 | 1101001012 |
| Base 3 | 210113 | 1201213 |
| Base 4 | 30014 | 122114 |
| Base 5 | 12335 | 31415 |
| Base 6 | 5216 | 15416 |
| Base 7 | 3647 | 11417 |
| Base 8 | 3018 | 6458 |
| Base 9 | 2349 | 5179 |
| Base 10 | 19310 | 42110 |
| Base 11 | 16611 | 35311 |
| Base 12 | 14112 | 2b112 |
| Base 13 | 11b13 | 26513 |
| Base 14 | db14 | 22114 |
| Base 15 | cd15 | 1d115 |
| Base 16 | c116 | 1a516 |