Compare 72 vs 77
| Property | 72 | 77 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 32 | 71 × 111 |
| Prime factorization | 2 × 2 × 2 × 3 × 3 | 7 × 11 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 | 1, 7, 11, 77 |
| Number of properties | 0 | 1 |
| Semiprimes | 26th | |
| Roman numberals | LXXII | LXXVII |
| Base 2 | 10010002 | 10011012 |
| Base 3 | 22003 | 22123 |
| Base 4 | 10204 | 10314 |
| Base 5 | 2425 | 3025 |
| Base 6 | 2006 | 2056 |
| Base 7 | 1327 | 1407 |
| Base 8 | 1108 | 1158 |
| Base 9 | 809 | 859 |
| Base 10 | 7210 | 7710 |
| Base 11 | 6611 | 7011 |
| Base 12 | 6012 | 6512 |
| Base 13 | 5713 | 5c13 |
| Base 14 | 5214 | 5714 |
| Base 15 | 4c15 | 5215 |
| Base 16 | 4816 | 4d16 |