Compare 1481 vs 1609
| Property | 1481 | 1609 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14811 | 16091 |
| Prime factorization | 1481 | 1609 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1481 | 1, 1609 |
| Number of properties | 13 | 6 |
| Chen primes | 152nd | |
| Cousin primes (1st member) | 58th | |
| Happy primes | 46th | |
| Harmonic primes | 80th | 87th |
| Primes | 234th | 254th |
| Prime quadruplets (1st member) | 6th | |
| Prime quintuplet 2s (1st member) | 4th | |
| Prime triplets (1st member) | 39th | |
| Prime triplets (2nd member) | 42nd | |
| Pythagorean primes | 114th | 121st |
| Sexy primes (1st member) | 102nd | |
| Sexy prime quadrupletss (1st member) | 9th | |
| Sexy prime triplets (1st member) | 39th | |
| Sophie germain primes | 49th | |
| Twin primes (1st member) | 49th | |
| Twin primes (2nd member) | 51st | |
| Roman numberals | MCDLXXXI | MDCIX |
| Base 2 | 101110010012 | 110010010012 |
| Base 3 | 20002123 | 20121213 |
| Base 4 | 1130214 | 1210214 |
| Base 5 | 214115 | 224145 |
| Base 6 | 105056 | 112416 |
| Base 7 | 42147 | 44567 |
| Base 8 | 27118 | 31118 |
| Base 9 | 20259 | 21779 |
| Base 10 | 148110 | 160910 |
| Base 11 | 112711 | 123311 |
| Base 12 | a3512 | b2112 |
| Base 13 | 89c13 | 96a13 |
| Base 14 | 77b14 | 82d14 |
| Base 15 | 68b15 | 72415 |
| Base 16 | 5c916 | 64916 |