1. Numbers
  2. Compare 278 vs 280

Compare 278 vs 280

Property278280
Typesemiprimecomposite number
Unique factors23
Total factors25
Prime factorization21 × 139123 × 51 × 71
Prime factorization2 × 1392 × 2 × 2 × 5 × 7
Divisors count416
Divisors1, 2, 139, 2781, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280
Number of properties10
Semiprimes88th 
Roman numberalsCCLXXVIIICCLXXX
Base 210001011021000110002
Base 310102231011013
Base 4101124101204
Base 52103521105
Base 61142611446
Base 754575507
Base 842684308
Base 933893419
Base 102781028010
Base 112331123511
Base 121b2121b412
Base 131851318713
Base 1415c1416014
Base 151381513a15
Base 161161611816
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