Compare 1780 vs 1791
| Property | 1780 | 1791 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 3 |
| Prime factorization | 22 × 51 × 891 | 32 × 1991 |
| Prime factorization | 2 × 2 × 5 × 89 | 3 × 3 × 199 |
| Divisors count | 12 | 6 |
| Divisors | 1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780 | 1, 3, 9, 199, 597, 1791 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCLXXX | MDCCXCI |
| Base 2 | 110111101002 | 110111111112 |
| Base 3 | 21022213 | 21101003 |
| Base 4 | 1233104 | 1233334 |
| Base 5 | 241105 | 241315 |
| Base 6 | 121246 | 121436 |
| Base 7 | 51227 | 51367 |
| Base 8 | 33648 | 33778 |
| Base 9 | 23879 | 24109 |
| Base 10 | 178010 | 179110 |
| Base 11 | 137911 | 138911 |
| Base 12 | 104412 | 105312 |
| Base 13 | a6c13 | a7a13 |
| Base 14 | 91214 | 91d14 |
| Base 15 | 7da15 | 7e615 |
| Base 16 | 6f416 | 6ff16 |