Compare 861239 vs 861247
| Property | 861239 | 861247 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 8612391 | 431 × 200291 |
| Prime factorization | 861239 | 43 × 20029 |
| Divisors count | 2 | 4 |
| Divisors | 1, 861239 | 1, 43, 20029, 861247 |
| Number of properties | 4 | 1 |
| Additive primes | 26412th | |
| Chen primes | 26342nd | |
| Isolated primes | 54067th | |
| Primes | 68440th | |
| Semiprimes | 182009th | |
| Roman numberals | ||
| Base 2 | 110100100100001101112 | 110100100100001111112 |
| Base 3 | 11212021012023 | 11212021020013 |
| Base 4 | 31021003134 | 31021003334 |
| Base 5 | 2100244245 | 2100244425 |
| Base 6 | 302431156 | 302431316 |
| Base 7 | 102146217 | 102146327 |
| Base 8 | 32220678 | 32220778 |
| Base 9 | 15523529 | 15523619 |
| Base 10 | 86123910 | 86124710 |
| Base 11 | 53907511 | 53908211 |
| Base 12 | 35649b12 | 3564a712 |
| Base 13 | 24201213 | 24201a13 |
| Base 14 | 185c1114 | 185c1914 |
| Base 15 | 1202ae15 | 1202b715 |
| Base 16 | d243716 | d243f16 |