Compare 65 vs 77
| Property | 65 | 77 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 131 | 71 × 111 |
| Prime factorization | 5 × 13 | 7 × 11 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 13, 65 | 1, 7, 11, 77 |
| Number of properties | 1 | 1 |
| Semiprimes | 23rd | 26th |
| Roman numberals | LXV | LXXVII |
| Base 2 | 10000012 | 10011012 |
| Base 3 | 21023 | 22123 |
| Base 4 | 10014 | 10314 |
| Base 5 | 2305 | 3025 |
| Base 6 | 1456 | 2056 |
| Base 7 | 1227 | 1407 |
| Base 8 | 1018 | 1158 |
| Base 9 | 729 | 859 |
| Base 10 | 6510 | 7710 |
| Base 11 | 5a11 | 7011 |
| Base 12 | 5512 | 6512 |
| Base 13 | 5013 | 5c13 |
| Base 14 | 4914 | 5714 |
| Base 15 | 4515 | 5215 |
| Base 16 | 4116 | 4d16 |