Compare 128743 vs 128747
| Property | 128743 | 128747 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 311 × 41531 | 1287471 |
| Prime factorization | 31 × 4153 | 128747 |
| Divisors count | 4 | 2 |
| Divisors | 1, 31, 4153, 128743 | 1, 128747 |
| Number of properties | 1 | 5 |
| Additive primes | 4965th | |
| Chen primes | 5210th | |
| Primes | 12052nd | |
| Safe primes | 819th | |
| Semiprimes | 29755th | |
| Twin primes (1st member) | 1503rd | |
| Roman numberals | ||
| Base 2 | 111110110111001112 | 111110110111010112 |
| Base 3 | 201121210213 | 201121211023 |
| Base 4 | 1331232134 | 1331232234 |
| Base 5 | 131044335 | 131044425 |
| Base 6 | 24320116 | 24320156 |
| Base 7 | 10442267 | 10442337 |
| Base 8 | 3733478 | 3733538 |
| Base 9 | 2155379 | 2155429 |
| Base 10 | 12874310 | 12874710 |
| Base 11 | 887aa11 | 8880311 |
| Base 12 | 6260712 | 6260b12 |
| Base 13 | 467a413 | 467a813 |
| Base 14 | 34cbd14 | 34cc314 |
| Base 15 | 2822d15 | 2823215 |
| Base 16 | 1f6e716 | 1f6eb16 |