1. Numbers
  2. Compare 1391 vs 1400

Compare 1391 vs 1400

Property13911400
Typesemiprimecomposite number
Unique factors23
Total factors26
Prime factorization131 × 107123 × 52 × 71
Prime factorization13 × 1072 × 2 × 2 × 5 × 5 × 7
Divisors count424
Divisors1, 13, 107, 13911, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400
Number of properties10
Semiprimes412th 
Roman numberalsMCCCXCIMCD
Base 2101011011112101011110002
Base 31220112312202123
Base 411123341113204
Base 5210315211005
Base 6102356102526
Base 74025740407
Base 82557825708
Base 91815918259
Base 10139110140010
Base 11105511106311
Base 1297b1298812
Base 138301383913
Base 147151472014
Base 1562b1563515
Base 1656f1657816
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