Compare 28 vs 45

Property2845
Typecomposite numbercomposite number
Unique factors22
Total factors33
Prime factorization22 × 7132 × 51
Prime factorization2 × 2 × 73 × 3 × 5
Divisors count66
Divisors1, 2, 4, 7, 14, 281, 3, 5, 9, 15, 45
Number of properties00
Roman numberalsXXVIIIXLV
Base 21110021011012
Base 31001312003
Base 413042314
Base 510351405
Base 64461136
Base 7407637
Base 8348558
Base 9319509
Base 1028104510
Base 1126114111
Base 1224123912
Base 1322133613
Base 1420143314
Base 151d153015
Base 161c162d16
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