Compare 55 vs 65
| Property | 55 | 65 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 111 | 51 × 131 |
| Prime factorization | 5 × 11 | 5 × 13 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 11, 55 | 1, 5, 13, 65 |
| Number of properties | 1 | 1 |
| Semiprimes | 19th | 23rd |
| Roman numberals | LV | LXV |
| Base 2 | 1101112 | 10000012 |
| Base 3 | 20013 | 21023 |
| Base 4 | 3134 | 10014 |
| Base 5 | 2105 | 2305 |
| Base 6 | 1316 | 1456 |
| Base 7 | 1067 | 1227 |
| Base 8 | 678 | 1018 |
| Base 9 | 619 | 729 |
| Base 10 | 5510 | 6510 |
| Base 11 | 5011 | 5a11 |
| Base 12 | 4712 | 5512 |
| Base 13 | 4313 | 5013 |
| Base 14 | 3d14 | 4914 |
| Base 15 | 3a15 | 4515 |
| Base 16 | 3716 | 4116 |