Compare 987 vs 999
| Property | 987 | 999 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 4 |
| Prime factorization | 31 × 71 × 471 | 33 × 371 |
| Prime factorization | 3 × 7 × 47 | 3 × 3 × 3 × 37 |
| Divisors count | 8 | 8 |
| Divisors | 1, 3, 7, 21, 47, 141, 329, 987 | 1, 3, 9, 27, 37, 111, 333, 999 |
| Number of properties | 0 | 0 |
| Roman numberals | CMLXXXVII | CMXCIX |
| Base 2 | 11110110112 | 11111001112 |
| Base 3 | 11001203 | 11010003 |
| Base 4 | 331234 | 332134 |
| Base 5 | 124225 | 124445 |
| Base 6 | 43236 | 43436 |
| Base 7 | 26107 | 26257 |
| Base 8 | 17338 | 17478 |
| Base 9 | 13169 | 13309 |
| Base 10 | 98710 | 99910 |
| Base 11 | 81811 | 82911 |
| Base 12 | 6a312 | 6b312 |
| Base 13 | 5ac13 | 5bb13 |
| Base 14 | 50714 | 51514 |
| Base 15 | 45c15 | 46915 |
| Base 16 | 3db16 | 3e716 |