Compare 1663 vs 2239
| Property | 1663 | 2239 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 16631 | 22391 | 
| Prime factorization | 1663 | 2239 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1663 | 1, 2239 | 
| Number of properties | 11 | 5 | 
| Cousin primes (1st member) | 59th | 69th | 
| Happy primes | 50th | |
| Harmonic primes | 91st | |
| Isolated primes | 158th | |
| Long primes | 102nd | |
| Lucky primes | 62nd | 75th | 
| Primes | 261st | 333rd | 
| Prime triplets (1st member) | 43rd | |
| Prime triplets (2nd member) | 54th | |
| Sexy primes (1st member) | 113th | |
| Sexy primes (2nd member) | 112th | |
| Sexy prime triplets (2nd member) | 43rd | |
| Twin primes (2nd member) | 68th | |
| Roman numberals | MDCLXIII | MMCCXXXIX | 
| Base 2 | 110011111112 | 1000101111112 | 
| Base 3 | 20211213 | 100012213 | 
| Base 4 | 1213334 | 2023334 | 
| Base 5 | 231235 | 324245 | 
| Base 6 | 114116 | 142116 | 
| Base 7 | 45647 | 63467 | 
| Base 8 | 31778 | 42778 | 
| Base 9 | 22479 | 30579 | 
| Base 10 | 166310 | 223910 | 
| Base 11 | 128211 | 175611 | 
| Base 12 | b6712 | 136712 | 
| Base 13 | 9ac13 | 103313 | 
| Base 14 | 86b14 | b5d14 | 
| Base 15 | 75d15 | 9e415 | 
| Base 16 | 67f16 | 8bf16 |