Compare 1993 vs 1994
| Property | 1993 | 1994 | 
|---|---|---|
| Type | prime | semiprime | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 2 | 
| Prime factorization | 19931 | 21 × 9971 | 
| Prime factorization | 1993 | 2 × 997 | 
| Divisors count | 2 | 4 | 
| Divisors | 1, 1993 | 1, 2, 997, 1994 | 
| Number of properties | 10 | 1 | 
| Cousin primes (1st member) | 64th | |
| Good primes | 63rd | |
| Harmonic primes | 112th | |
| Isolated primes | 182nd | |
| Primes | 301st | |
| Prime triplets (1st member) | 49th | |
| Pythagorean primes | 146th | |
| Semiprimes | 577th | |
| Sexy primes (1st member) | 128th | |
| Sexy primes (2nd member) | 127th | |
| Sexy prime triplets (2nd member) | 50th | |
| Roman numberals | MCMXCIII | MCMXCIV | 
| Base 2 | 111110010012 | 111110010102 | 
| Base 3 | 22012113 | 22012123 | 
| Base 4 | 1330214 | 1330224 | 
| Base 5 | 304335 | 304345 | 
| Base 6 | 131216 | 131226 | 
| Base 7 | 55457 | 55467 | 
| Base 8 | 37118 | 37128 | 
| Base 9 | 26549 | 26559 | 
| Base 10 | 199310 | 199410 | 
| Base 11 | 155211 | 155311 | 
| Base 12 | 11a112 | 11a212 | 
| Base 13 | ba413 | ba513 | 
| Base 14 | a2514 | a2614 | 
| Base 15 | 8cd15 | 8ce15 | 
| Base 16 | 7c916 | 7ca16 |