Compare 1505 vs 1509
| Property | 1505 | 1509 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 51 × 71 × 431 | 31 × 5031 |
| Prime factorization | 5 × 7 × 43 | 3 × 503 |
| Divisors count | 8 | 4 |
| Divisors | 1, 5, 7, 35, 43, 215, 301, 1505 | 1, 3, 503, 1509 |
| Number of properties | 0 | 1 |
| Semiprimes | 440th | |
| Roman numberals | MDV | MDIX |
| Base 2 | 101111000012 | 101111001012 |
| Base 3 | 20012023 | 20012203 |
| Base 4 | 1132014 | 1132114 |
| Base 5 | 220105 | 220145 |
| Base 6 | 105456 | 105536 |
| Base 7 | 42507 | 42547 |
| Base 8 | 27418 | 27458 |
| Base 9 | 20529 | 20569 |
| Base 10 | 150510 | 150910 |
| Base 11 | 114911 | 115211 |
| Base 12 | a5512 | a5912 |
| Base 13 | 8ba13 | 8c113 |
| Base 14 | 79714 | 79b14 |
| Base 15 | 6a515 | 6a915 |
| Base 16 | 5e116 | 5e516 |