Compare 1249 vs 1321
| Property | 1249 | 1321 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12491 | 13211 |
| Prime factorization | 1249 | 1321 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1249 | 1, 1321 |
| Number of properties | 5 | 7 |
| Additive primes | 118th | |
| Emirps | 58th | 63rd |
| Harmonic primes | 74th | |
| Isolated primes | 121st | |
| Lucky primes | 53rd | |
| Primes | 204th | 216th |
| Pythagorean primes | 101st | 106th |
| Sexy primes (1st member) | 94th | |
| Twin primes (2nd member) | 46th | |
| Roman numberals | MCCXLIX | MCCCXXI |
| Base 2 | 100111000012 | 101001010012 |
| Base 3 | 12010213 | 12102213 |
| Base 4 | 1032014 | 1102214 |
| Base 5 | 144445 | 202415 |
| Base 6 | 54416 | 100416 |
| Base 7 | 34337 | 35657 |
| Base 8 | 23418 | 24518 |
| Base 9 | 16379 | 17279 |
| Base 10 | 124910 | 132110 |
| Base 11 | a3611 | aa111 |
| Base 12 | 88112 | 92112 |
| Base 13 | 75113 | 7a813 |
| Base 14 | 65314 | 6a514 |
| Base 15 | 58415 | 5d115 |
| Base 16 | 4e116 | 52916 |