Compare 1579 vs 1663
| Property | 1579 | 1663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15791 | 16631 |
| Prime factorization | 1579 | 1663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1579 | 1, 1663 |
| Number of properties | 6 | 11 |
| Cousin primes (1st member) | 56th | 59th |
| Happy primes | 50th | |
| Harmonic primes | 83rd | 91st |
| Isolated primes | 150th | 158th |
| Long primes | 97th | 102nd |
| Lucky primes | 60th | 62nd |
| Primes | 249th | 261st |
| Prime triplets (1st member) | 43rd | |
| Sexy primes (1st member) | 113th | |
| Sexy primes (2nd member) | 112th | |
| Sexy prime triplets (2nd member) | 43rd | |
| Roman numberals | MDLXXIX | MDCLXIII |
| Base 2 | 110001010112 | 110011111112 |
| Base 3 | 20111113 | 20211213 |
| Base 4 | 1202234 | 1213334 |
| Base 5 | 223045 | 231235 |
| Base 6 | 111516 | 114116 |
| Base 7 | 44147 | 45647 |
| Base 8 | 30538 | 31778 |
| Base 9 | 21449 | 22479 |
| Base 10 | 157910 | 166310 |
| Base 11 | 120611 | 128211 |
| Base 12 | ab712 | b6712 |
| Base 13 | 94613 | 9ac13 |
| Base 14 | 80b14 | 86b14 |
| Base 15 | 70415 | 75d15 |
| Base 16 | 62b16 | 67f16 |