Compare 990 vs 998
Property | 990 | 998 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 4 | 2 |
Total factors | 5 | 2 |
Prime factorization | 21 × 32 × 51 × 111 | 21 × 4991 |
Prime factorization | 2 × 3 × 3 × 5 × 11 | 2 × 499 |
Divisors count | 24 | 4 |
Divisors | 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990 | 1, 2, 499, 998 |
Number of properties | 0 | 1 |
Semiprimes | 299th | |
Roman numberals | CMXC | CMXCVIII |
Base 2 | 11110111102 | 11111001102 |
Base 3 | 11002003 | 11002223 |
Base 4 | 331324 | 332124 |
Base 5 | 124305 | 124435 |
Base 6 | 43306 | 43426 |
Base 7 | 26137 | 26247 |
Base 8 | 17368 | 17468 |
Base 9 | 13209 | 13289 |
Base 10 | 99010 | 99810 |
Base 11 | 82011 | 82811 |
Base 12 | 6a612 | 6b212 |
Base 13 | 5b213 | 5ba13 |
Base 14 | 50a14 | 51414 |
Base 15 | 46015 | 46815 |
Base 16 | 3de16 | 3e616 |