Compare 1993 vs 2281
| Property | 1993 | 2281 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 19931 | 22811 | 
| Prime factorization | 1993 | 2281 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1993 | 1, 2281 | 
| Number of properties | 10 | 8 | 
| Additive primes | 178th | |
| Chen primes | 207th | |
| Cousin primes (1st member) | 64th | |
| Good primes | 63rd | |
| Harmonic primes | 112th | |
| Isolated primes | 182nd | 202nd | 
| Lucky primes | 77th | |
| Primes | 301st | 339th | 
| Prime triplets (1st member) | 49th | |
| Pythagorean primes | 146th | 165th | 
| Sexy primes (1st member) | 128th | 139th | 
| Sexy primes (2nd member) | 127th | |
| Sexy prime triplets (1st member) | 52nd | |
| Sexy prime triplets (2nd member) | 50th | |
| Roman numberals | MCMXCIII | MMCCLXXXI | 
| Base 2 | 111110010012 | 1000111010012 | 
| Base 3 | 22012113 | 100101113 | 
| Base 4 | 1330214 | 2032214 | 
| Base 5 | 304335 | 331115 | 
| Base 6 | 131216 | 143216 | 
| Base 7 | 55457 | 64367 | 
| Base 8 | 37118 | 43518 | 
| Base 9 | 26549 | 31149 | 
| Base 10 | 199310 | 228110 | 
| Base 11 | 155211 | 179411 | 
| Base 12 | 11a112 | 13a112 | 
| Base 13 | ba413 | 106613 | 
| Base 14 | a2514 | b8d14 | 
| Base 15 | 8cd15 | a2115 | 
| Base 16 | 7c916 | 8e916 |