Compare 1601 vs 1657
| Property | 1601 | 1657 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16011 | 16571 |
| Prime factorization | 1601 | 1657 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1601 | 1, 1657 |
| Number of properties | 12 | 8 |
| Additive primes | 139th | |
| Chen primes | 160th | |
| Cousin primes (2nd member) | 57th | |
| Cuban primes 1 | 12th | |
| Emirps | 78th | 80th |
| Harmonic primes | 85th | |
| Isolated primes | 153rd | 157th |
| Primes | 252nd | 260th |
| Proth primes | 21st | |
| Pythagorean primes | 120th | 125th |
| Sexy primes (1st member) | 108th | 112th |
| Sexy prime quadrupletss (1st member) | 10th | |
| Sexy prime triplets (1st member) | 41st | 43rd |
| Sophie germain primes | 54th | |
| Roman numberals | MDCI | MDCLVII |
| Base 2 | 110010000012 | 110011110012 |
| Base 3 | 20120223 | 20211013 |
| Base 4 | 1210014 | 1213214 |
| Base 5 | 224015 | 231125 |
| Base 6 | 112256 | 114016 |
| Base 7 | 44457 | 45557 |
| Base 8 | 31018 | 31718 |
| Base 9 | 21689 | 22419 |
| Base 10 | 160110 | 165710 |
| Base 11 | 122611 | 127711 |
| Base 12 | b1512 | b6112 |
| Base 13 | 96213 | 9a613 |
| Base 14 | 82514 | 86514 |
| Base 15 | 71b15 | 75715 |
| Base 16 | 64116 | 67916 |