Compare 1602 vs 1609
| Property | 1602 | 1609 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 32 × 891 | 16091 |
| Prime factorization | 2 × 3 × 3 × 89 | 1609 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602 | 1, 1609 |
| Number of properties | 0 | 6 |
| 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 | MDCII | MDCIX |
| Base 2 | 110010000102 | 110010010012 |
| Base 3 | 20121003 | 20121213 |
| Base 4 | 1210024 | 1210214 |
| Base 5 | 224025 | 224145 |
| Base 6 | 112306 | 112416 |
| Base 7 | 44467 | 44567 |
| Base 8 | 31028 | 31118 |
| Base 9 | 21709 | 21779 |
| Base 10 | 160210 | 160910 |
| Base 11 | 122711 | 123311 |
| Base 12 | b1612 | b2112 |
| Base 13 | 96313 | 96a13 |
| Base 14 | 82614 | 82d14 |
| Base 15 | 71c15 | 72415 |
| Base 16 | 64216 | 64916 |