Compare 1663 vs 2113
| Property | 1663 | 2113 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 16631 | 21131 | 
| Prime factorization | 1663 | 2113 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1663 | 1, 2113 | 
| Number of properties | 11 | 10 | 
| Additive primes | 167th | |
| Centered square primes | 16th | |
| Cousin primes (1st member) | 59th | |
| Happy primes | 50th | |
| Harmonic primes | 91st | |
| Isolated primes | 158th | |
| Left-truncatable primes | 63rd | |
| Long primes | 102nd | 122nd | 
| Lucky primes | 62nd | 73rd | 
| Primes | 261st | 319th | 
| Prime triplets (1st member) | 43rd | |
| Proth primes | 22nd | |
| Pythagorean primes | 154th | |
| Sexy primes (1st member) | 113th | |
| Sexy primes (2nd member) | 112th | |
| Sexy prime triplets (2nd member) | 43rd | |
| Solinas primes | 60th | |
| Twin primes (2nd member) | 65th | |
| Roman numberals | MDCLXIII | MMCXIII | 
| Base 2 | 110011111112 | 1000010000012 | 
| Base 3 | 20211213 | 22200213 | 
| Base 4 | 1213334 | 2010014 | 
| Base 5 | 231235 | 314235 | 
| Base 6 | 114116 | 134416 | 
| Base 7 | 45647 | 61067 | 
| Base 8 | 31778 | 41018 | 
| Base 9 | 22479 | 28079 | 
| Base 10 | 166310 | 211310 | 
| Base 11 | 128211 | 165111 | 
| Base 12 | b6712 | 128112 | 
| Base 13 | 9ac13 | c6713 | 
| Base 14 | 86b14 | aad14 | 
| Base 15 | 75d15 | 95d15 | 
| Base 16 | 67f16 | 84116 |