Compare 1247 vs 1259
| Property | 1247 | 1259 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 291 × 431 | 12591 |
| Prime factorization | 29 × 43 | 1259 |
| Divisors count | 4 | 2 |
| Divisors | 1, 29, 43, 1247 | 1, 1259 |
| Number of properties | 1 | 6 |
| Additive primes | 110th | |
| Chen primes | 133rd | |
| Emirps | 59th | |
| Isolated primes | 122nd | |
| Long primes | 79th | |
| Primes | 205th | |
| Semiprimes | 367th | |
| Roman numberals | MCCXLVII | MCCLIX |
| Base 2 | 100110111112 | 100111010112 |
| Base 3 | 12010123 | 12011223 |
| Base 4 | 1031334 | 1032234 |
| Base 5 | 144425 | 200145 |
| Base 6 | 54356 | 54556 |
| Base 7 | 34317 | 34467 |
| Base 8 | 23378 | 23538 |
| Base 9 | 16359 | 16489 |
| Base 10 | 124710 | 125910 |
| Base 11 | a3411 | a4511 |
| Base 12 | 87b12 | 88b12 |
| Base 13 | 74c13 | 75b13 |
| Base 14 | 65114 | 65d14 |
| Base 15 | 58215 | 58e15 |
| Base 16 | 4df16 | 4eb16 |