Compare 75 vs 87
| Property | 75 | 87 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 52 | 31 × 291 |
| Prime factorization | 3 × 5 × 5 | 3 × 29 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 5, 15, 25, 75 | 1, 3, 29, 87 |
| Number of properties | 0 | 1 |
| Semiprimes | 30th | |
| Roman numberals | LXXV | LXXXVII |
| Base 2 | 10010112 | 10101112 |
| Base 3 | 22103 | 100203 |
| Base 4 | 10234 | 11134 |
| Base 5 | 3005 | 3225 |
| Base 6 | 2036 | 2236 |
| Base 7 | 1357 | 1537 |
| Base 8 | 1138 | 1278 |
| Base 9 | 839 | 1069 |
| Base 10 | 7510 | 8710 |
| Base 11 | 6911 | 7a11 |
| Base 12 | 6312 | 7312 |
| Base 13 | 5a13 | 6913 |
| Base 14 | 5514 | 6314 |
| Base 15 | 5015 | 5c15 |
| Base 16 | 4b16 | 5716 |