Compare 1669 vs 1673
| Property | 1669 | 1673 | 
|---|---|---|
| Type | prime | semiprime | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 2 | 
| Prime factorization | 16691 | 71 × 2391 | 
| Prime factorization | 1669 | 7 × 239 | 
| Divisors count | 2 | 4 | 
| Divisors | 1, 1669 | 1, 7, 239, 1673 | 
| Number of properties | 9 | 1 | 
| Chen primes | 166th | |
| Emirps | 81st | |
| Primes | 263rd | |
| Prime triplets (3rd member) | 43rd | |
| Pythagorean primes | 126th | |
| Semiprimes | 481st | |
| Sexy primes (2nd member) | 113th | |
| Sexy prime triplets (3rd member) | 43rd | |
| Super primes | 56th | |
| Twin primes (2nd member) | 53rd | |
| Roman numberals | MDCLXIX | MDCLXXIII | 
| Base 2 | 110100001012 | 110100010012 | 
| Base 3 | 20212113 | 20212223 | 
| Base 4 | 1220114 | 1220214 | 
| Base 5 | 231345 | 231435 | 
| Base 6 | 114216 | 114256 | 
| Base 7 | 46037 | 46107 | 
| Base 8 | 32058 | 32118 | 
| Base 9 | 22549 | 22589 | 
| Base 10 | 166910 | 167310 | 
| Base 11 | 128811 | 129111 | 
| Base 12 | b7112 | b7512 | 
| Base 13 | 9b513 | 9b913 | 
| Base 14 | 87314 | 87714 | 
| Base 15 | 76415 | 76815 | 
| Base 16 | 68516 | 68916 |