Compare 1609 vs 1610
| Property | 1609 | 1610 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 16091 | 21 × 51 × 71 × 231 |
| Prime factorization | 1609 | 2 × 5 × 7 × 23 |
| Divisors count | 2 | 16 |
| Divisors | 1, 1609 | 1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610 |
| Number of properties | 6 | 0 |
| Cousin primes (1st member) | 58th | |
| Harmonic primes | 87th | |
| Primes | 254th | |
| Prime triplets (2nd member) | 42nd | |
| Pythagorean primes | 121st | |
| Twin primes (2nd member) | 51st | |
| Roman numberals | MDCIX | MDCX |
| Base 2 | 110010010012 | 110010010102 |
| Base 3 | 20121213 | 20121223 |
| Base 4 | 1210214 | 1210224 |
| Base 5 | 224145 | 224205 |
| Base 6 | 112416 | 112426 |
| Base 7 | 44567 | 44607 |
| Base 8 | 31118 | 31128 |
| Base 9 | 21779 | 21789 |
| Base 10 | 160910 | 161010 |
| Base 11 | 123311 | 123411 |
| Base 12 | b2112 | b2212 |
| Base 13 | 96a13 | 96b13 |
| Base 14 | 82d14 | 83014 |
| Base 15 | 72415 | 72515 |
| Base 16 | 64916 | 64a16 |