Compare 1993 vs 2161
| Property | 1993 | 2161 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19931 | 21611 |
| Prime factorization | 1993 | 2161 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1993 | 1, 2161 |
| Number of properties | 10 | 3 |
| Cousin primes (1st member) | 64th | |
| Good primes | 63rd | |
| Harmonic primes | 112th | |
| Isolated primes | 182nd | 193rd |
| Primes | 301st | 326th |
| Prime triplets (1st member) | 49th | |
| Pythagorean primes | 146th | 159th |
| Sexy primes (1st member) | 128th | |
| Sexy primes (2nd member) | 127th | |
| Sexy prime triplets (2nd member) | 50th | |
| Roman numberals | MCMXCIII | MMCLXI |
| Base 2 | 111110010012 | 1000011100012 |
| Base 3 | 22012113 | 22220013 |
| Base 4 | 1330214 | 2013014 |
| Base 5 | 304335 | 321215 |
| Base 6 | 131216 | 140016 |
| Base 7 | 55457 | 62057 |
| Base 8 | 37118 | 41618 |
| Base 9 | 26549 | 28619 |
| Base 10 | 199310 | 216110 |
| Base 11 | 155211 | 169511 |
| Base 12 | 11a112 | 130112 |
| Base 13 | ba413 | ca313 |
| Base 14 | a2514 | b0514 |
| Base 15 | 8cd15 | 99115 |
| Base 16 | 7c916 | 87116 |