Compare 1521 vs 1527
| Property | 1521 | 1527 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 132 | 31 × 5091 |
| Prime factorization | 3 × 3 × 13 × 13 | 3 × 509 |
| Divisors count | 9 | 4 |
| Divisors | 1, 3, 9, 13, 39, 117, 169, 507, 1521 | 1, 3, 509, 1527 |
| Number of properties | 0 | 1 |
| Semiprimes | 445th | |
| Roman numberals | MDXXI | MDXXVII |
| Base 2 | 101111100012 | 101111101112 |
| Base 3 | 20021003 | 20021203 |
| Base 4 | 1133014 | 1133134 |
| Base 5 | 220415 | 221025 |
| Base 6 | 110136 | 110236 |
| Base 7 | 43027 | 43117 |
| Base 8 | 27618 | 27678 |
| Base 9 | 20709 | 20769 |
| Base 10 | 152110 | 152710 |
| Base 11 | 116311 | 116911 |
| Base 12 | a6912 | a7312 |
| Base 13 | 90013 | 90613 |
| Base 14 | 7a914 | 7b114 |
| Base 15 | 6b615 | 6bc15 |
| Base 16 | 5f116 | 5f716 |