Compare 1257 vs 1259
| Property | 1257 | 1259 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 4191 | 12591 |
| Prime factorization | 3 × 419 | 1259 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 419, 1257 | 1, 1259 |
| Number of properties | 1 | 6 |
| Additive primes | 110th | |
| Chen primes | 133rd | |
| Emirps | 59th | |
| Isolated primes | 122nd | |
| Long primes | 79th | |
| Primes | 205th | |
| Semiprimes | 370th | |
| Roman numberals | MCCLVII | MCCLIX |
| Base 2 | 100111010012 | 100111010112 |
| Base 3 | 12011203 | 12011223 |
| Base 4 | 1032214 | 1032234 |
| Base 5 | 200125 | 200145 |
| Base 6 | 54536 | 54556 |
| Base 7 | 34447 | 34467 |
| Base 8 | 23518 | 23538 |
| Base 9 | 16469 | 16489 |
| Base 10 | 125710 | 125910 |
| Base 11 | a4311 | a4511 |
| Base 12 | 88912 | 88b12 |
| Base 13 | 75913 | 75b13 |
| Base 14 | 65b14 | 65d14 |
| Base 15 | 58c15 | 58e15 |
| Base 16 | 4e916 | 4eb16 |