Compare 128203 vs 128215
| Property | 128203 | 128215 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1282031 | 51 × 256431 |
| Prime factorization | 128203 | 5 × 25643 |
| Divisors count | 2 | 4 |
| Divisors | 1, 128203 | 1, 5, 25643, 128215 |
| Number of properties | 3 | 1 |
| Happy primes | 1866th | |
| Primes | 12002nd | |
| Semiprimes | 29650th | |
| Twin primes (2nd member) | 1496th | |
| Roman numberals | ||
| Base 2 | 111110100110010112 | 111110100110101112 |
| Base 3 | 201112120213 | 201112122013 |
| Base 4 | 1331030234 | 1331031134 |
| Base 5 | 131003035 | 131003305 |
| Base 6 | 24253116 | 24253316 |
| Base 7 | 10425257 | 10425437 |
| Base 8 | 3723138 | 3723278 |
| Base 9 | 2147679 | 2147819 |
| Base 10 | 12820310 | 12821510 |
| Base 11 | 8835911 | 8836a11 |
| Base 12 | 6223712 | 6224712 |
| Base 13 | 4647a13 | 4648913 |
| Base 14 | 34a1514 | 34a2314 |
| Base 15 | 27ebd15 | 27eca15 |
| Base 16 | 1f4cb16 | 1f4d716 |