Compare 1609 vs 1616
| Property | 1609 | 1616 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 5 |
| Prime factorization | 16091 | 24 × 1011 |
| Prime factorization | 1609 | 2 × 2 × 2 × 2 × 101 |
| Divisors count | 2 | 10 |
| Divisors | 1, 1609 | 1, 2, 4, 8, 16, 101, 202, 404, 808, 1616 |
| 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 | MDCXVI |
| Base 2 | 110010010012 | 110010100002 |
| Base 3 | 20121213 | 20122123 |
| Base 4 | 1210214 | 1211004 |
| Base 5 | 224145 | 224315 |
| Base 6 | 112416 | 112526 |
| Base 7 | 44567 | 44667 |
| Base 8 | 31118 | 31208 |
| Base 9 | 21779 | 21859 |
| Base 10 | 160910 | 161610 |
| Base 11 | 123311 | 123a11 |
| Base 12 | b2112 | b2812 |
| Base 13 | 96a13 | 97413 |
| Base 14 | 82d14 | 83614 |
| Base 15 | 72415 | 72b15 |
| Base 16 | 64916 | 65016 |