Compare 1521 vs 1522
| Property | 1521 | 1522 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 132 | 21 × 7611 |
| Prime factorization | 3 × 3 × 13 × 13 | 2 × 761 |
| Divisors count | 9 | 4 |
| Divisors | 1, 3, 9, 13, 39, 117, 169, 507, 1521 | 1, 2, 761, 1522 |
| Number of properties | 0 | 1 |
| Semiprimes | 444th | |
| Roman numberals | MDXXI | MDXXII |
| Base 2 | 101111100012 | 101111100102 |
| Base 3 | 20021003 | 20021013 |
| Base 4 | 1133014 | 1133024 |
| Base 5 | 220415 | 220425 |
| Base 6 | 110136 | 110146 |
| Base 7 | 43027 | 43037 |
| Base 8 | 27618 | 27628 |
| Base 9 | 20709 | 20719 |
| Base 10 | 152110 | 152210 |
| Base 11 | 116311 | 116411 |
| Base 12 | a6912 | a6a12 |
| Base 13 | 90013 | 90113 |
| Base 14 | 7a914 | 7aa14 |
| Base 15 | 6b615 | 6b715 |
| Base 16 | 5f116 | 5f216 |