Compare 987 vs 993
| Property | 987 | 993 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 71 × 471 | 31 × 3311 |
| Prime factorization | 3 × 7 × 47 | 3 × 331 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 7, 21, 47, 141, 329, 987 | 1, 3, 331, 993 |
| Number of properties | 0 | 1 |
| Semiprimes | 297th | |
| Roman numberals | CMLXXXVII | CMXCIII |
| Base 2 | 11110110112 | 11111000012 |
| Base 3 | 11001203 | 11002103 |
| Base 4 | 331234 | 332014 |
| Base 5 | 124225 | 124335 |
| Base 6 | 43236 | 43336 |
| Base 7 | 26107 | 26167 |
| Base 8 | 17338 | 17418 |
| Base 9 | 13169 | 13239 |
| Base 10 | 98710 | 99310 |
| Base 11 | 81811 | 82311 |
| Base 12 | 6a312 | 6a912 |
| Base 13 | 5ac13 | 5b513 |
| Base 14 | 50714 | 50d14 |
| Base 15 | 45c15 | 46315 |
| Base 16 | 3db16 | 3e116 |