Compare 990980 vs 990985
| Property | 990980 | 990985 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 495491 | 51 × 1981971 |
| Prime factorization | 2 × 2 × 5 × 49549 | 5 × 198197 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 49549, 99098, 198196, 247745, 495490, 990980 | 1, 5, 198197, 990985 |
| Number of properties | 0 | 1 |
| Semiprimes | 208234th | |
| Roman numberals | ||
| Base 2 | 111100011111000001002 | 111100011111000010012 |
| Base 3 | 12121001002223 | 12121001010113 |
| Base 4 | 33013300104 | 33013300214 |
| Base 5 | 2232024105 | 2232024205 |
| Base 6 | 331235126 | 331235216 |
| Base 7 | 112651047 | 112651127 |
| Base 8 | 36174048 | 36174118 |
| Base 9 | 17703289 | 17703349 |
| Base 10 | 99098010 | 99098510 |
| Base 11 | 6175a111 | 6175a611 |
| Base 12 | 3b959812 | 3b95a112 |
| Base 13 | 2890a313 | 2890a813 |
| Base 14 | 1bb20414 | 1bb20914 |
| Base 15 | 14895515 | 14895a15 |
| Base 16 | f1f0416 | f1f0916 |