Compare 1321 vs 1409
| Property | 1321 | 1409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13211 | 14091 |
| Prime factorization | 1321 | 1409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1321 | 1, 1409 |
| Number of properties | 7 | 8 |
| Additive primes | 118th | |
| Chen primes | 146th | |
| Emirps | 63rd | 66th |
| Harmonic primes | 74th | |
| Isolated primes | 132nd | |
| Primes | 216th | 223rd |
| Proth primes | 20th | |
| Pythagorean primes | 106th | 110th |
| Sexy primes (1st member) | 94th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Twin primes (2nd member) | 46th | |
| Roman numberals | MCCCXXI | MCDIX |
| Base 2 | 101001010012 | 101100000012 |
| Base 3 | 12102213 | 12210123 |
| Base 4 | 1102214 | 1120014 |
| Base 5 | 202415 | 211145 |
| Base 6 | 100416 | 103056 |
| Base 7 | 35657 | 40527 |
| Base 8 | 24518 | 26018 |
| Base 9 | 17279 | 18359 |
| Base 10 | 132110 | 140910 |
| Base 11 | aa111 | 107111 |
| Base 12 | 92112 | 99512 |
| Base 13 | 7a813 | 84513 |
| Base 14 | 6a514 | 72914 |
| Base 15 | 5d115 | 63e15 |
| Base 16 | 52916 | 58116 |