Compare 19 vs 193
| Property | 19 | 193 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 191 | 1931 |
| Prime factorization | 19 | 193 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19 | 1, 193 |
| Number of properties | 18 | 18 |
| Additive primes | 25th | |
| Centered triangular primes | 1st | |
| Chen primes | 8th | |
| Cousin primes (1st member) | 4th | 14th |
| Cuban primes 1 | 2nd | |
| Cuban primes 2 | 3rd | |
| Happy primes | 3rd | 12th |
| Harmonic primes | 16th | |
| Long primes | 3rd | 17th |
| Lucky primes | 13th | |
| Pierpont primes | 7th | 13th |
| Primes | 8th | 44th |
| Prime quadruplets (2nd member) | 4th | |
| Prime quadruplets (4th member) | 2nd | |
| Prime quintuplet 1s (5th member) | 1st | |
| Prime quintuplet 2s (4th member) | 2nd | |
| Prime sextuplets (5th member) | 1st | |
| Prime triplets (1st member) | 14th | |
| Prime triplets (2nd member) | 5th | 13th |
| Prime triplets (3rd member) | 4th | |
| Proth primes | 8th | |
| Pythagorean primes | 20th | |
| Sexy primes (1st member) | 26th | |
| Sexy primes (2nd member) | 4th | |
| Sexy prime triplets (3rd member) | 2nd | |
| Solinas primes | 7th | 26th |
| Thabit primes of the 2nd kind | 4th | |
| Twin primes (2nd member) | 4th | 14th |
| Roman numberals | XIX | CXCIII |
| Base 2 | 100112 | 110000012 |
| Base 3 | 2013 | 210113 |
| Base 4 | 1034 | 30014 |
| Base 5 | 345 | 12335 |
| Base 6 | 316 | 5216 |
| Base 7 | 257 | 3647 |
| Base 8 | 238 | 3018 |
| Base 9 | 219 | 2349 |
| Base 10 | 1910 | 19310 |
| Base 11 | 1811 | 16611 |
| Base 12 | 1712 | 14112 |
| Base 13 | 1613 | 11b13 |
| Base 14 | 1514 | db14 |
| Base 15 | 1415 | cd15 |
| Base 16 | 1316 | c116 |