Compare 21005 vs 21009
Property | 21005 | 21009 |
---|---|---|
Type | semiprime | composite number |
Unique factors | 2 | 3 |
Total factors | 2 | 3 |
Prime factorization | 51 × 42011 | 31 × 471 × 1491 |
Prime factorization | 5 × 4201 | 3 × 47 × 149 |
Divisors count | 4 | 8 |
Divisors | 1, 5, 4201, 21005 | 1, 3, 47, 141, 149, 447, 7003, 21009 |
Number of properties | 1 | 0 |
Semiprimes | 5330th | |
Roman numberals | ||
Base 2 | 1010010000011012 | 1010010000100012 |
Base 3 | 10012102223 | 10012110103 |
Base 4 | 110200314 | 110201014 |
Base 5 | 11330105 | 11330145 |
Base 6 | 2411256 | 2411336 |
Base 7 | 1151457 | 1151527 |
Base 8 | 510158 | 510218 |
Base 9 | 317289 | 317339 |
Base 10 | 2100510 | 2100910 |
Base 11 | 1486611 | 1486a11 |
Base 12 | 101a512 | 101a912 |
Base 13 | 973a13 | 974113 |
Base 14 | 792514 | 792914 |
Base 15 | 635515 | 635915 |
Base 16 | 520d16 | 521116 |