Compare 1409 vs 1549
| Property | 1409 | 1549 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14091 | 15491 |
| Prime factorization | 1409 | 1549 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1409 | 1, 1549 |
| Number of properties | 8 | 7 |
| Additive primes | 133rd | |
| Chen primes | 146th | |
| Cousin primes (1st member) | 54th | |
| Emirps | 66th | |
| Isolated primes | 132nd | 145th |
| Long primes | 93rd | |
| Primes | 223rd | 244th |
| Proth primes | 20th | |
| Pythagorean primes | 110th | 117th |
| Sexy primes (2nd member) | 106th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Roman numberals | MCDIX | MDXLIX |
| Base 2 | 101100000012 | 110000011012 |
| Base 3 | 12210123 | 20101013 |
| Base 4 | 1120014 | 1200314 |
| Base 5 | 211145 | 221445 |
| Base 6 | 103056 | 111016 |
| Base 7 | 40527 | 43427 |
| Base 8 | 26018 | 30158 |
| Base 9 | 18359 | 21119 |
| Base 10 | 140910 | 154910 |
| Base 11 | 107111 | 118911 |
| Base 12 | 99512 | a9112 |
| Base 13 | 84513 | 92213 |
| Base 14 | 72914 | 7c914 |
| Base 15 | 63e15 | 6d415 |
| Base 16 | 58116 | 60d16 |