Compare 1320 vs 1321
| Property | 1320 | 1321 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 23 × 31 × 51 × 111 | 13211 |
| Prime factorization | 2 × 2 × 2 × 3 × 5 × 11 | 1321 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320 | 1, 1321 |
| Number of properties | 0 | 7 |
| Additive primes | 118th | |
| Emirps | 63rd | |
| Harmonic primes | 74th | |
| Primes | 216th | |
| Pythagorean primes | 106th | |
| Sexy primes (1st member) | 94th | |
| Twin primes (2nd member) | 46th | |
| Roman numberals | MCCCXX | MCCCXXI |
| Base 2 | 101001010002 | 101001010012 |
| Base 3 | 12102203 | 12102213 |
| Base 4 | 1102204 | 1102214 |
| Base 5 | 202405 | 202415 |
| Base 6 | 100406 | 100416 |
| Base 7 | 35647 | 35657 |
| Base 8 | 24508 | 24518 |
| Base 9 | 17269 | 17279 |
| Base 10 | 132010 | 132110 |
| Base 11 | aa011 | aa111 |
| Base 12 | 92012 | 92112 |
| Base 13 | 7a713 | 7a813 |
| Base 14 | 6a414 | 6a514 |
| Base 15 | 5d015 | 5d115 |
| Base 16 | 52816 | 52916 |