Compare 1461 vs 1509
| Property | 1461 | 1509 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 4871 | 31 × 5031 |
| Prime factorization | 3 × 487 | 3 × 503 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 487, 1461 | 1, 3, 503, 1509 |
| Number of properties | 1 | 1 |
| Semiprimes | 428th | 440th |
| Roman numberals | MCDLXI | MDIX |
| Base 2 | 101101101012 | 101111001012 |
| Base 3 | 20000103 | 20012203 |
| Base 4 | 1123114 | 1132114 |
| Base 5 | 213215 | 220145 |
| Base 6 | 104336 | 105536 |
| Base 7 | 41557 | 42547 |
| Base 8 | 26658 | 27458 |
| Base 9 | 20039 | 20569 |
| Base 10 | 146110 | 150910 |
| Base 11 | 110911 | 115211 |
| Base 12 | a1912 | a5912 |
| Base 13 | 88513 | 8c113 |
| Base 14 | 76514 | 79b14 |
| Base 15 | 67615 | 6a915 |
| Base 16 | 5b516 | 5e516 |