Compare 128735 vs 128747
| Property | 128735 | 128747 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 257471 | 1287471 |
| Prime factorization | 5 × 25747 | 128747 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 25747, 128735 | 1, 128747 |
| Number of properties | 1 | 5 |
| Additive primes | 4965th | |
| Chen primes | 5210th | |
| Primes | 12052nd | |
| Safe primes | 819th | |
| Semiprimes | 29753rd | |
| Twin primes (1st member) | 1503rd | |
| Roman numberals | ||
| Base 2 | 111110110110111112 | 111110110111010112 |
| Base 3 | 201121202223 | 201121211023 |
| Base 4 | 1331231334 | 1331232234 |
| Base 5 | 131044205 | 131044425 |
| Base 6 | 24315556 | 24320156 |
| Base 7 | 10442157 | 10442337 |
| Base 8 | 3733378 | 3733538 |
| Base 9 | 2155289 | 2155429 |
| Base 10 | 12873510 | 12874710 |
| Base 11 | 887a211 | 8880311 |
| Base 12 | 625bb12 | 6260b12 |
| Base 13 | 4679913 | 467a813 |
| Base 14 | 34cb514 | 34cc314 |
| Base 15 | 2822515 | 2823215 |
| Base 16 | 1f6df16 | 1f6eb16 |