Compare 28 vs 39

Property2839
Typecomposite numbersemiprime
Unique factors22
Total factors32
Prime factorization22 × 7131 × 131
Prime factorization2 × 2 × 73 × 13
Divisors count64
Divisors1, 2, 4, 7, 14, 281, 3, 13, 39
Number of properties01
Semiprimes 15th
Roman numberalsXXVIIIXXXIX
Base 21110021001112
Base 31001311103
Base 413042134
Base 510351245
Base 64461036
Base 7407547
Base 8348478
Base 9319439
Base 1028103910
Base 1126113611
Base 1224123312
Base 1322133013
Base 1420142b14
Base 151d152915
Base 161c162716
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