Compare 77 vs 80
| Property | 77 | 80 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 71 × 111 | 24 × 51 |
| Prime factorization | 7 × 11 | 2 × 2 × 2 × 2 × 5 |
| Divisors count | 4 | 10 |
| Divisors | 1, 7, 11, 77 | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 |
| Number of properties | 1 | 0 |
| Semiprimes | 26th | |
| Roman numberals | LXXVII | LXXX |
| Base 2 | 10011012 | 10100002 |
| Base 3 | 22123 | 22223 |
| Base 4 | 10314 | 11004 |
| Base 5 | 3025 | 3105 |
| Base 6 | 2056 | 2126 |
| Base 7 | 1407 | 1437 |
| Base 8 | 1158 | 1208 |
| Base 9 | 859 | 889 |
| Base 10 | 7710 | 8010 |
| Base 11 | 7011 | 7311 |
| Base 12 | 6512 | 6812 |
| Base 13 | 5c13 | 6213 |
| Base 14 | 5714 | 5a14 |
| Base 15 | 5215 | 5515 |
| Base 16 | 4d16 | 5016 |