Compare 1237 vs 1321
| Property | 1237 | 1321 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12371 | 13211 |
| Prime factorization | 1237 | 1321 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1237 | 1, 1321 |
| Number of properties | 7 | 7 |
| Additive primes | 109th | 118th |
| Emirps | 57th | 63rd |
| Harmonic primes | 71st | 74th |
| Isolated primes | 120th | |
| Primes | 203rd | 216th |
| Pythagorean primes | 100th | 106th |
| Sexy primes (1st member) | 94th | |
| Sexy primes (2nd member) | 88th | |
| Twin primes (2nd member) | 46th | |
| Roman numberals | MCCXXXVII | MCCCXXI |
| Base 2 | 100110101012 | 101001010012 |
| Base 3 | 12002113 | 12102213 |
| Base 4 | 1031114 | 1102214 |
| Base 5 | 144225 | 202415 |
| Base 6 | 54216 | 100416 |
| Base 7 | 34157 | 35657 |
| Base 8 | 23258 | 24518 |
| Base 9 | 16249 | 17279 |
| Base 10 | 123710 | 132110 |
| Base 11 | a2511 | aa111 |
| Base 12 | 87112 | 92112 |
| Base 13 | 74213 | 7a813 |
| Base 14 | 64514 | 6a514 |
| Base 15 | 57715 | 5d115 |
| Base 16 | 4d516 | 52916 |