Compare 989 vs 999
| Property | 989 | 999 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 231 × 431 | 33 × 371 |
| Prime factorization | 23 × 43 | 3 × 3 × 3 × 37 |
| Divisors count | 4 | 8 |
| Divisors | 1, 23, 43, 989 | 1, 3, 9, 27, 37, 111, 333, 999 |
| Number of properties | 1 | 0 |
| Semiprimes | 296th | |
| Roman numberals | CMLXXXIX | CMXCIX |
| Base 2 | 11110111012 | 11111001112 |
| Base 3 | 11001223 | 11010003 |
| Base 4 | 331314 | 332134 |
| Base 5 | 124245 | 124445 |
| Base 6 | 43256 | 43436 |
| Base 7 | 26127 | 26257 |
| Base 8 | 17358 | 17478 |
| Base 9 | 13189 | 13309 |
| Base 10 | 98910 | 99910 |
| Base 11 | 81a11 | 82911 |
| Base 12 | 6a512 | 6b312 |
| Base 13 | 5b113 | 5bb13 |
| Base 14 | 50914 | 51514 |
| Base 15 | 45e15 | 46915 |
| Base 16 | 3dd16 | 3e716 |