Compare 1237 vs 1399
| Property | 1237 | 1399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12371 | 13991 |
| Prime factorization | 1237 | 1399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1237 | 1, 1399 |
| Number of properties | 7 | 6 |
| Additive primes | 109th | |
| Chen primes | 145th | |
| Emirps | 57th | 65th |
| Good primes | 52nd | |
| Harmonic primes | 71st | 76th |
| Isolated primes | 120th | 131st |
| Primes | 203rd | 222nd |
| Pythagorean primes | 100th | |
| Sexy primes (2nd member) | 88th | |
| Roman numberals | MCCXXXVII | MCCCXCIX |
| Base 2 | 100110101012 | 101011101112 |
| Base 3 | 12002113 | 12202113 |
| Base 4 | 1031114 | 1113134 |
| Base 5 | 144225 | 210445 |
| Base 6 | 54216 | 102516 |
| Base 7 | 34157 | 40367 |
| Base 8 | 23258 | 25678 |
| Base 9 | 16249 | 18249 |
| Base 10 | 123710 | 139910 |
| Base 11 | a2511 | 106211 |
| Base 12 | 87112 | 98712 |
| Base 13 | 74213 | 83813 |
| Base 14 | 64514 | 71d14 |
| Base 15 | 57715 | 63415 |
| Base 16 | 4d516 | 57716 |