Compare 1427 vs 1663
| Property | 1427 | 1663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14271 | 16631 |
| Prime factorization | 1427 | 1663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1427 | 1, 1663 |
| Number of properties | 10 | 11 |
| Chen primes | 147th | |
| Cousin primes (1st member) | 59th | |
| Cousin primes (2nd member) | 49th | |
| Good primes | 54th | |
| Happy primes | 44th | 50th |
| Harmonic primes | 91st | |
| Isolated primes | 158th | |
| Long primes | 102nd | |
| Lucky primes | 62nd | |
| Primes | 225th | 261st |
| Prime triplets (1st member) | 37th | 43rd |
| Prime triplets (2nd member) | 36th | |
| Sexy primes (1st member) | 98th | 113th |
| Sexy primes (2nd member) | 112th | |
| Sexy prime triplets (1st member) | 37th | |
| Sexy prime triplets (2nd member) | 43rd | |
| Twin primes (1st member) | 47th | |
| Roman numberals | MCDXXVII | MDCLXIII |
| Base 2 | 101100100112 | 110011111112 |
| Base 3 | 12212123 | 20211213 |
| Base 4 | 1121034 | 1213334 |
| Base 5 | 212025 | 231235 |
| Base 6 | 103356 | 114116 |
| Base 7 | 41067 | 45647 |
| Base 8 | 26238 | 31778 |
| Base 9 | 18559 | 22479 |
| Base 10 | 142710 | 166310 |
| Base 11 | 108811 | 128211 |
| Base 12 | 9ab12 | b6712 |
| Base 13 | 85a13 | 9ac13 |
| Base 14 | 73d14 | 86b14 |
| Base 15 | 65215 | 75d15 |
| Base 16 | 59316 | 67f16 |