Compare 1609 vs 1699
| Property | 1609 | 1699 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16091 | 16991 |
| Prime factorization | 1609 | 1699 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1609 | 1, 1699 |
| Number of properties | 6 | 5 |
| Cousin primes (1st member) | 58th | |
| Harmonic primes | 87th | 93rd |
| Primes | 254th | 266th |
| Prime triplets (2nd member) | 42nd | |
| Prime triplets (3rd member) | 44th | |
| Pythagorean primes | 121st | |
| Sexy primes (2nd member) | 114th | |
| Twin primes (2nd member) | 51st | 54th |
| Roman numberals | MDCIX | MDCXCIX |
| Base 2 | 110010010012 | 110101000112 |
| Base 3 | 20121213 | 20222213 |
| Base 4 | 1210214 | 1222034 |
| Base 5 | 224145 | 232445 |
| Base 6 | 112416 | 115116 |
| Base 7 | 44567 | 46457 |
| Base 8 | 31118 | 32438 |
| Base 9 | 21779 | 22879 |
| Base 10 | 160910 | 169910 |
| Base 11 | 123311 | 130511 |
| Base 12 | b2112 | b9712 |
| Base 13 | 96a13 | a0913 |
| Base 14 | 82d14 | 89514 |
| Base 15 | 72415 | 78415 |
| Base 16 | 64916 | 6a316 |