Compare 861979 vs 861991
| Property | 861979 | 861991 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 8619791 | 131 × 611 × 10871 |
| Prime factorization | 861979 | 13 × 61 × 1087 |
| Divisors count | 2 | 8 |
| Divisors | 1, 861979 | 1, 13, 61, 793, 1087, 14131, 66307, 861991 |
| Number of properties | 3 | 0 |
| Chen primes | 26360th | |
| Primes | 68492nd | |
| Twin primes (2nd member) | 7193rd | |
| Roman numberals | ||
| Base 2 | 110100100111000110112 | 110100100111001001112 |
| Base 3 | 11212101020113 | 11212101021213 |
| Base 4 | 31021301234 | 31021302134 |
| Base 5 | 2100404045 | 2100404315 |
| Base 6 | 302503516 | 302504116 |
| Base 7 | 102200267 | 102200447 |
| Base 8 | 32234338 | 32234478 |
| Base 9 | 15533649 | 15533779 |
| Base 10 | 86197910 | 86199110 |
| Base 11 | 53968811 | 53969911 |
| Base 12 | 3569b712 | 356a0712 |
| Base 13 | 24246113 | 24247013 |
| Base 14 | 1861bd14 | 1861cb14 |
| Base 15 | 12060415 | 12061115 |
| Base 16 | d271b16 | d272716 |