Compare 128039 vs 128047
| Property | 128039 | 128047 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 611 × 20991 | 1280471 |
| Prime factorization | 61 × 2099 | 128047 |
| Divisors count | 4 | 2 |
| Divisors | 1, 61, 2099, 128039 | 1, 128047 |
| Number of properties | 1 | 5 |
| Chen primes | 5183rd | |
| Harmonic primes | 4512th | |
| Isolated primes | 9003rd | |
| Primes | 11990th | |
| Semiprimes | 29605th | |
| Sexy primes (1st member) | 2977th | |
| Roman numberals | ||
| Base 2 | 111110100001001112 | 111110100001011112 |
| Base 3 | 201111220123 | 201111221113 |
| Base 4 | 1331002134 | 1331002334 |
| Base 5 | 130441245 | 130441425 |
| Base 6 | 24244356 | 24244516 |
| Base 7 | 10422027 | 10422137 |
| Base 8 | 3720478 | 3720578 |
| Base 9 | 2145659 | 2145749 |
| Base 10 | 12803910 | 12804710 |
| Base 11 | 8821a11 | 8822711 |
| Base 12 | 6211b12 | 6212712 |
| Base 13 | 4638213 | 4638a13 |
| Base 14 | 3493914 | 3494314 |
| Base 15 | 27e0e15 | 27e1715 |
| Base 16 | 1f42716 | 1f42f16 |