Compare 1321 vs 1499
| Property | 1321 | 1499 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13211 | 14991 |
| Prime factorization | 1321 | 1499 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1321 | 1, 1499 |
| Number of properties | 7 | 11 |
| Additive primes | 118th | 130th |
| Chen primes | 154th | |
| Emirps | 63rd | 72nd |
| Harmonic primes | 74th | 82nd |
| Isolated primes | 140th | |
| Primes | 216th | 239th |
| Pythagorean primes | 106th | |
| Sexy primes (1st member) | 94th | |
| Sexy primes (2nd member) | 105th | |
| Sexy prime quadrupletss (4th member) | 9th | |
| Sexy prime triplets (3rd member) | 40th | |
| Sophie germain primes | 50th | |
| Super primes | 52nd | |
| Twin primes (2nd member) | 46th | |
| Roman numberals | MCCCXXI | MCDXCIX |
| Base 2 | 101001010012 | 101110110112 |
| Base 3 | 12102213 | 20011123 |
| Base 4 | 1102214 | 1131234 |
| Base 5 | 202415 | 214445 |
| Base 6 | 100416 | 105356 |
| Base 7 | 35657 | 42417 |
| Base 8 | 24518 | 27338 |
| Base 9 | 17279 | 20459 |
| Base 10 | 132110 | 149910 |
| Base 11 | aa111 | 114311 |
| Base 12 | 92112 | a4b12 |
| Base 13 | 7a813 | 8b413 |
| Base 14 | 6a514 | 79114 |
| Base 15 | 5d115 | 69e15 |
| Base 16 | 52916 | 5db16 |