Compare 128042 vs 128047
| Property | 128042 | 128047 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 731 × 8771 | 1280471 |
| Prime factorization | 2 × 73 × 877 | 128047 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 73, 146, 877, 1754, 64021, 128042 | 1, 128047 |
| Number of properties | 0 | 5 |
| Chen primes | 5183rd | |
| Harmonic primes | 4512th | |
| Isolated primes | 9003rd | |
| Primes | 11990th | |
| Sexy primes (1st member) | 2977th | |
| Roman numberals | ||
| Base 2 | 111110100001010102 | 111110100001011112 |
| Base 3 | 201111220223 | 201111221113 |
| Base 4 | 1331002224 | 1331002334 |
| Base 5 | 130441325 | 130441425 |
| Base 6 | 24244426 | 24244516 |
| Base 7 | 10422057 | 10422137 |
| Base 8 | 3720528 | 3720578 |
| Base 9 | 2145689 | 2145749 |
| Base 10 | 12804210 | 12804710 |
| Base 11 | 8822211 | 8822711 |
| Base 12 | 6212212 | 6212712 |
| Base 13 | 4638513 | 4638a13 |
| Base 14 | 3493c14 | 3494314 |
| Base 15 | 27e1215 | 27e1715 |
| Base 16 | 1f42a16 | 1f42f16 |