Compare 65 vs 75
| Property | 65 | 75 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 131 | 31 × 52 |
| Prime factorization | 5 × 13 | 3 × 5 × 5 |
| Divisors count | 4 | 6 |
| Divisors | 1, 5, 13, 65 | 1, 3, 5, 15, 25, 75 |
| Number of properties | 1 | 0 |
| Semiprimes | 23rd | |
| Roman numberals | LXV | LXXV |
| Base 2 | 10000012 | 10010112 |
| Base 3 | 21023 | 22103 |
| Base 4 | 10014 | 10234 |
| Base 5 | 2305 | 3005 |
| Base 6 | 1456 | 2036 |
| Base 7 | 1227 | 1357 |
| Base 8 | 1018 | 1138 |
| Base 9 | 729 | 839 |
| Base 10 | 6510 | 7510 |
| Base 11 | 5a11 | 6911 |
| Base 12 | 5512 | 6312 |
| Base 13 | 5013 | 5a13 |
| Base 14 | 4914 | 5514 |
| Base 15 | 4515 | 5015 |
| Base 16 | 4116 | 4b16 |