Compare 1669 vs 1913
| Property | 1669 | 1913 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16691 | 19131 |
| Prime factorization | 1669 | 1913 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1669 | 1, 1913 |
| Number of properties | 9 | 9 |
| Chen primes | 166th | 181st |
| Emirps | 81st | 93rd |
| Isolated primes | 178th | |
| Long primes | 114th | |
| Primes | 263rd | 293rd |
| Prime triplets (3rd member) | 43rd | |
| Pythagorean primes | 126th | 142nd |
| Sexy primes (2nd member) | 113th | 125th |
| Sexy prime triplets (3rd member) | 43rd | 49th |
| Super primes | 56th | 62nd |
| Twin primes (2nd member) | 53rd | |
| Roman numberals | MDCLXIX | MCMXIII |
| Base 2 | 110100001012 | 111011110012 |
| Base 3 | 20212113 | 21212123 |
| Base 4 | 1220114 | 1313214 |
| Base 5 | 231345 | 301235 |
| Base 6 | 114216 | 125056 |
| Base 7 | 46037 | 54027 |
| Base 8 | 32058 | 35718 |
| Base 9 | 22549 | 25559 |
| Base 10 | 166910 | 191310 |
| Base 11 | 128811 | 148a11 |
| Base 12 | b7112 | 113512 |
| Base 13 | 9b513 | b4213 |
| Base 14 | 87314 | 9a914 |
| Base 15 | 76415 | 87815 |
| Base 16 | 68516 | 77916 |