Compare 1609 vs 2137
| Property | 1609 | 2137 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 16091 | 21371 | 
| Prime factorization | 1609 | 2137 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1609 | 1, 2137 | 
| Number of properties | 6 | 11 | 
| Additive primes | 169th | |
| Cousin primes (1st member) | 58th | 67th | 
| Harmonic primes | 87th | |
| Isolated primes | 191st | |
| Left-truncatable primes | 64th | |
| Long primes | 123rd | |
| Primes | 254th | 322nd | 
| Prime triplets (1st member) | 53rd | |
| Prime triplets (2nd member) | 42nd | |
| Pythagorean primes | 121st | 156th | 
| Sexy primes (1st member) | 135th | |
| Sexy primes (2nd member) | 134th | |
| Sexy prime triplets (2nd member) | 51st | |
| Twin primes (2nd member) | 51st | |
| Roman numberals | MDCIX | MMCXXXVII | 
| Base 2 | 110010010012 | 1000010110012 | 
| Base 3 | 20121213 | 22210113 | 
| Base 4 | 1210214 | 2011214 | 
| Base 5 | 224145 | 320225 | 
| Base 6 | 112416 | 135216 | 
| Base 7 | 44567 | 61427 | 
| Base 8 | 31118 | 41318 | 
| Base 9 | 21779 | 28349 | 
| Base 10 | 160910 | 213710 | 
| Base 11 | 123311 | 167311 | 
| Base 12 | b2112 | 12a112 | 
| Base 13 | 96a13 | c8513 | 
| Base 14 | 82d14 | ac914 | 
| Base 15 | 72415 | 97715 | 
| Base 16 | 64916 | 85916 |