Compare 1667 vs 1787
| Property | 1667 | 1787 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16671 | 17871 |
| Prime factorization | 1667 | 1787 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1667 | 1, 1787 |
| Number of properties | 6 | 7 |
| Additive primes | 148th | |
| Chen primes | 165th | 173rd |
| Cousin primes (2nd member) | 59th | 61st |
| Harmonic primes | 92nd | |
| Primes | 262nd | 277th |
| Prime triplets (2nd member) | 43rd | 45th |
| Super primes | 59th | |
| Twin primes (1st member) | 53rd | 56th |
| Roman numberals | MDCLXVII | MDCCLXXXVII |
| Base 2 | 110100000112 | 110111110112 |
| Base 3 | 20212023 | 21100123 |
| Base 4 | 1220034 | 1233234 |
| Base 5 | 231325 | 241225 |
| Base 6 | 114156 | 121356 |
| Base 7 | 46017 | 51327 |
| Base 8 | 32038 | 33738 |
| Base 9 | 22529 | 24059 |
| Base 10 | 166710 | 178710 |
| Base 11 | 128611 | 138511 |
| Base 12 | b6b12 | 104b12 |
| Base 13 | 9b313 | a7613 |
| Base 14 | 87114 | 91914 |
| Base 15 | 76215 | 7e215 |
| Base 16 | 68316 | 6fb16 |