Compare 65 vs 86
| Property | 65 | 86 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 131 | 21 × 431 |
| Prime factorization | 5 × 13 | 2 × 43 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 13, 65 | 1, 2, 43, 86 |
| Number of properties | 1 | 1 |
| Semiprimes | 23rd | 29th |
| Roman numberals | LXV | LXXXVI |
| Base 2 | 10000012 | 10101102 |
| Base 3 | 21023 | 100123 |
| Base 4 | 10014 | 11124 |
| Base 5 | 2305 | 3215 |
| Base 6 | 1456 | 2226 |
| Base 7 | 1227 | 1527 |
| Base 8 | 1018 | 1268 |
| Base 9 | 729 | 1059 |
| Base 10 | 6510 | 8610 |
| Base 11 | 5a11 | 7911 |
| Base 12 | 5512 | 7212 |
| Base 13 | 5013 | 6813 |
| Base 14 | 4914 | 6214 |
| Base 15 | 4515 | 5b15 |
| Base 16 | 4116 | 5616 |