Compare 199986 vs 199991
| Property | 199986 | 199991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 31 × 333311 | 111 × 181811 |
| Prime factorization | 2 × 3 × 33331 | 11 × 18181 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 3, 6, 33331, 66662, 99993, 199986 | 1, 11, 18181, 199991 |
| Number of properties | 0 | 1 |
| Semiprimes | 45228th | |
| Roman numberals | ||
| Base 2 | 1100001101001100102 | 1100001101001101112 |
| Base 3 | 1010110222203 | 1010111000023 |
| Base 4 | 3003103024 | 3003103134 |
| Base 5 | 223444215 | 223444315 |
| Base 6 | 41415106 | 41415156 |
| Base 7 | 14620237 | 14620317 |
| Base 8 | 6064628 | 6064678 |
| Base 9 | 3342869 | 3343029 |
| Base 10 | 19998610 | 19999110 |
| Base 11 | 12728611 | 12729011 |
| Base 12 | 9789612 | 9789b12 |
| Base 13 | 7004713 | 7004c13 |
| Base 14 | 52c4a14 | 52c5114 |
| Base 15 | 3e3c615 | 3e3cb15 |
| Base 16 | 30d3216 | 30d3716 |