Compare 21504 vs 21509
Property | 21504 | 21509 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 3 | 2 |
Total factors | 12 | 2 |
Prime factorization | 210 × 31 × 71 | 1371 × 1571 |
Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 | 137 × 157 |
Divisors count | 44 | 4 |
Divisors | 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1024, 1344, 1536, 1792, 2688, 3072, 3584, 5376, 7168, 10752, 21504 | 1, 137, 157, 21509 |
Number of properties | 0 | 1 |
Semiprimes | 5447th | |
Roman numberals | ||
Base 2 | 1010100000000002 | 1010100000001012 |
Base 3 | 10021111103 | 10021111223 |
Base 4 | 111000004 | 111000114 |
Base 5 | 11420045 | 11420145 |
Base 6 | 2433206 | 2433256 |
Base 7 | 1164607 | 1164657 |
Base 8 | 520008 | 520058 |
Base 9 | 324439 | 324489 |
Base 10 | 2150410 | 2150910 |
Base 11 | 1517a11 | 1518411 |
Base 12 | 1054012 | 1054512 |
Base 13 | 9a3213 | 9a3713 |
Base 14 | 7ba014 | 7ba514 |
Base 15 | 658915 | 658e15 |
Base 16 | 540016 | 540516 |