Compare 1663 vs 2111
| Property | 1663 | 2111 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16631 | 21111 |
| Prime factorization | 1663 | 2111 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1663 | 1, 2111 |
| Number of properties | 11 | 8 |
| Additive primes | 166th | |
| Chen primes | 195th | |
| Cousin primes (1st member) | 59th | |
| Happy primes | 50th | 58th |
| Harmonic primes | 91st | 117th |
| Isolated primes | 158th | |
| Long primes | 102nd | |
| Lucky primes | 62nd | |
| Multiplicative primes | 18th | |
| Primes | 261st | 318th |
| Prime triplets (1st member) | 43rd | |
| Sexy primes (1st member) | 113th | |
| Sexy primes (2nd member) | 112th | |
| Sexy prime triplets (2nd member) | 43rd | |
| Solinas primes | 59th | |
| Twin primes (1st member) | 65th | |
| Roman numberals | MDCLXIII | MMCXI |
| Base 2 | 110011111112 | 1000001111112 |
| Base 3 | 20211213 | 22200123 |
| Base 4 | 1213334 | 2003334 |
| Base 5 | 231235 | 314215 |
| Base 6 | 114116 | 134356 |
| Base 7 | 45647 | 61047 |
| Base 8 | 31778 | 40778 |
| Base 9 | 22479 | 28059 |
| Base 10 | 166310 | 211110 |
| Base 11 | 128211 | 164a11 |
| Base 12 | b6712 | 127b12 |
| Base 13 | 9ac13 | c6513 |
| Base 14 | 86b14 | aab14 |
| Base 15 | 75d15 | 95b15 |
| Base 16 | 67f16 | 83f16 |