Compare 21380 vs 21387
Property | 21380 | 21387 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 3 | 2 |
Total factors | 4 | 2 |
Prime factorization | 22 × 51 × 10691 | 31 × 71291 |
Prime factorization | 2 × 2 × 5 × 1069 | 3 × 7129 |
Divisors count | 12 | 4 |
Divisors | 1, 2, 4, 5, 10, 20, 1069, 2138, 4276, 5345, 10690, 21380 | 1, 3, 7129, 21387 |
Number of properties | 0 | 1 |
Semiprimes | 5419th | |
Roman numberals | ||
Base 2 | 1010011100001002 | 1010011100010112 |
Base 3 | 10020222123 | 10021000103 |
Base 4 | 110320104 | 110320234 |
Base 5 | 11410105 | 11410225 |
Base 6 | 2425526 | 2430036 |
Base 7 | 1162227 | 1162327 |
Base 8 | 516048 | 516138 |
Base 9 | 322859 | 323039 |
Base 10 | 2138010 | 2138710 |
Base 11 | 1507711 | 1508311 |
Base 12 | 1045812 | 1046312 |
Base 13 | 996813 | 997213 |
Base 14 | 7b1214 | 7b1914 |
Base 15 | 650515 | 650c15 |
Base 16 | 538416 | 538b16 |