1. Numbers
  2. Compare 1286 vs 1290

Compare 1286 vs 1290

Property12861290
Typesemiprimecomposite number
Unique factors24
Total factors24
Prime factorization21 × 643121 × 31 × 51 × 431
Prime factorization2 × 6432 × 3 × 5 × 43
Divisors count416
Divisors1, 2, 643, 12861, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290
Number of properties10
Semiprimes379th 
Roman numberalsMCCLXXXVIMCCXC
Base 2101000001102101000010102
Base 31202122312022103
Base 411001241100224
Base 5201215201305
Base 65542655506
Base 73515735227
Base 82406824128
Base 91678916839
Base 10128610129010
Base 11a6a11a7311
Base 128b2128b612
Base 1377c1378313
Base 1467c1468214
Base 155ab155b015
Base 165061650a16
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