Compare 990181 vs 990185
| Property | 990181 | 990185 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 9901811 | 51 × 71 × 191 × 14891 |
| Prime factorization | 990181 | 5 × 7 × 19 × 1489 |
| Divisors count | 2 | 16 |
| Divisors | 1, 990181 | 1, 5, 7, 19, 35, 95, 133, 665, 1489, 7445, 10423, 28291, 52115, 141455, 198037, 990185 |
| Number of properties | 3 | 0 |
| Chen primes | 29707th | |
| Primes | 77789th | |
| Twin primes (2nd member) | 8103rd | |
| Roman numberals | ||
| Base 2 | 111100011011111001012 | 111100011011111010012 |
| Base 3 | 12120220211013 | 12120220211123 |
| Base 4 | 33012332114 | 33012332214 |
| Base 5 | 2231412115 | 2231412205 |
| Base 6 | 331201016 | 331201056 |
| Base 7 | 112625537 | 112625607 |
| Base 8 | 36157458 | 36157518 |
| Base 9 | 17682419 | 17682459 |
| Base 10 | 99018110 | 99018510 |
| Base 11 | 616a3511 | 616a3911 |
| Base 12 | 3b903112 | 3b903512 |
| Base 13 | 28890a13 | 28891113 |
| Base 14 | 1babd314 | 1babd714 |
| Base 15 | 1485c115 | 1485c515 |
| Base 16 | f1be516 | f1be916 |