Compare 1321 vs 1321
| Property | 1321 | 1321 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13211 | 13211 |
| Prime factorization | 1321 | 1321 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1321 | 1, 1321 |
| Number of properties | 7 | 7 |
| Additive primes | 118th | 118th |
| Emirps | 63rd | 63rd |
| Harmonic primes | 74th | 74th |
| Primes | 216th | 216th |
| Pythagorean primes | 106th | 106th |
| Sexy primes (1st member) | 94th | 94th |
| Twin primes (2nd member) | 46th | 46th |
| Roman numberals | MCCCXXI | MCCCXXI |
| Base 2 | 101001010012 | 101001010012 |
| Base 3 | 12102213 | 12102213 |
| Base 4 | 1102214 | 1102214 |
| Base 5 | 202415 | 202415 |
| Base 6 | 100416 | 100416 |
| Base 7 | 35657 | 35657 |
| Base 8 | 24518 | 24518 |
| Base 9 | 17279 | 17279 |
| Base 10 | 132110 | 132110 |
| Base 11 | aa111 | aa111 |
| Base 12 | 92112 | 92112 |
| Base 13 | 7a813 | 7a813 |
| Base 14 | 6a514 | 6a514 |
| Base 15 | 5d115 | 5d115 |
| Base 16 | 52916 | 52916 |