Compare 990983 vs 990991
| Property | 990983 | 990991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 71 × 191 × 74511 | 4431 × 22371 |
| Prime factorization | 7 × 19 × 7451 | 443 × 2237 |
| Divisors count | 8 | 4 |
| Divisors | 1, 7, 19, 133, 7451, 52157, 141569, 990983 | 1, 443, 2237, 990991 |
| Number of properties | 0 | 1 |
| Semiprimes | 208236th | |
| Roman numberals | ||
| Base 2 | 111100011111000001112 | 111100011111000011112 |
| Base 3 | 12121001010023 | 12121001011013 |
| Base 4 | 33013300134 | 33013300334 |
| Base 5 | 2232024135 | 2232024315 |
| Base 6 | 331235156 | 331235316 |
| Base 7 | 112651107 | 112651217 |
| Base 8 | 36174078 | 36174178 |
| Base 9 | 17703329 | 17703419 |
| Base 10 | 99098310 | 99099110 |
| Base 11 | 6175a411 | 61760111 |
| Base 12 | 3b959b12 | 3b95a712 |
| Base 13 | 2890a613 | 2890b113 |
| Base 14 | 1bb20714 | 1bb21114 |
| Base 15 | 14895815 | 14896115 |
| Base 16 | f1f0716 | f1f0f16 |