1. Numbers
  2. Compare 101987 vs 101990

Compare 101987 vs 101990

Property101987101990
Typeprimecomposite number
Unique factors15
Total factors15
Prime factorization101987121 × 51 × 71 × 311 × 471
Prime factorization1019872 × 5 × 7 × 31 × 47
Divisors count232
Divisors1, 1019871, 2, 5, 7, 10, 14, 31, 35, 47, 62, 70, 94, 155, 217, 235, 310, 329, 434, 470, 658, 1085, 1457, 1645, 2170, 2914, 3290, 7285, 10199, 14570, 20398, 50995, 101990
Number of properties50
Chen primes4298th 
Emirps1697th 
Isolated primes7288th 
Primes9765th 
Safe primes682nd 
Roman numberals  
Base 2110001110011000112110001110011001102
Base 3120112200223120112201023
Base 412032120341203212124
Base 5112304225112304305
Base 62104055621041026
Base 760322476032307
Base 830714383071468
Base 916480891648129
Base 101019871010199010
Base 116a696116a69911
Base 124b02b124b03212
Base 1337562133756513
Base 142924b142925014
Base 1520342152034515
Base 1618e631618e6616
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