Compare 1669 vs 1901
| Property | 1669 | 1901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16691 | 19011 |
| Prime factorization | 1669 | 1901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1669 | 1, 1901 |
| Number of properties | 9 | 11 |
| Additive primes | 154th | |
| Centered decagonal primes | 14th | |
| Chen primes | 166th | 179th |
| Emirps | 81st | 92nd |
| Harmonic primes | 106th | |
| Isolated primes | 176th | |
| Primes | 263rd | 291st |
| Prime triplets (3rd member) | 43rd | |
| Pythagorean primes | 126th | 141st |
| Sexy primes (1st member) | 124th | |
| Sexy primes (2nd member) | 113th | |
| Sexy prime triplets (1st member) | 49th | |
| Sexy prime triplets (3rd member) | 43rd | |
| Sophie germain primes | 58th | |
| Super primes | 56th | |
| Twin primes (2nd member) | 53rd | |
| Roman numberals | MDCLXIX | MCMI |
| Base 2 | 110100001012 | 111011011012 |
| Base 3 | 20212113 | 21211023 |
| Base 4 | 1220114 | 1312314 |
| Base 5 | 231345 | 301015 |
| Base 6 | 114216 | 124456 |
| Base 7 | 46037 | 53547 |
| Base 8 | 32058 | 35558 |
| Base 9 | 22549 | 25429 |
| Base 10 | 166910 | 190110 |
| Base 11 | 128811 | 147911 |
| Base 12 | b7112 | 112512 |
| Base 13 | 9b513 | b3313 |
| Base 14 | 87314 | 99b14 |
| Base 15 | 76415 | 86b15 |
| Base 16 | 68516 | 76d16 |