Compare 18 vs 55

Property1855
Typecomposite numbersemiprime
Unique factors22
Total factors32
Prime factorization21 × 3251 × 111
Prime factorization2 × 3 × 35 × 11
Divisors count64
Divisors1, 2, 3, 6, 9, 181, 5, 11, 55
Number of properties01
Semiprimes 19th
Roman numberalsXVIIILV
Base 21001021101112
Base 3200320013
Base 410243134
Base 53352105
Base 63061316
Base 72471067
Base 8228678
Base 9209619
Base 1018105510
Base 1117115011
Base 1216124712
Base 1315134313
Base 1414143d14
Base 1513153a15
Base 1612163716
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