Compare 20991 vs 21005
Property | 20991 | 21005 |
---|---|---|
Type | semiprime | semiprime |
Unique factors | 2 | 2 |
Total factors | 2 | 2 |
Prime factorization | 31 × 69971 | 51 × 42011 |
Prime factorization | 3 × 6997 | 5 × 4201 |
Divisors count | 4 | 4 |
Divisors | 1, 3, 6997, 20991 | 1, 5, 4201, 21005 |
Number of properties | 1 | 1 |
Semiprimes | 5325th | 5330th |
Roman numberals | ||
Base 2 | 1010001111111112 | 1010010000011012 |
Base 3 | 10012101103 | 10012102223 |
Base 4 | 110133334 | 110200314 |
Base 5 | 11324315 | 11330105 |
Base 6 | 2411036 | 2411256 |
Base 7 | 1151257 | 1151457 |
Base 8 | 507778 | 510158 |
Base 9 | 317139 | 317289 |
Base 10 | 2099110 | 2100510 |
Base 11 | 1485311 | 1486611 |
Base 12 | 1019312 | 101a512 |
Base 13 | 972913 | 973a13 |
Base 14 | 791514 | 792514 |
Base 15 | 634615 | 635515 |
Base 16 | 51ff16 | 520d16 |