1. Numbers
  2. Compare 163987 vs 163990

Compare 163987 vs 163990

Property163987163990
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization163987121 × 51 × 232 × 311
Prime factorization1639872 × 5 × 23 × 23 × 31
Divisors count224
Divisors1, 1639871, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 529, 713, 1058, 1426, 2645, 3565, 5290, 7130, 16399, 32798, 81995, 163990
Number of properties90
Cousin primes (1st member)1811th 
Harmonic primes5635th 
Isolated primes11340th 
Primes15013th 
Prime triplets (1st member)716th 
Sexy primes (1st member)3636th 
Sexy primes (2nd member)3635th 
Sexy prime triplets (2nd member)751st 
Super primes1755th 
Roman numberals  
Base 210100000001001001121010000000100101102
Base 3220222211213220222212013
Base 422000210342200021124
Base 5202214225202214305
Base 63303111633031146
Base 71252045712520517
Base 850022385002268
Base 926884792688519
Base 101639871016399010
Base 1110222a1110223211
Base 127aa97127aa9a12
Base 1359845135984813
Base 1443a951443a9814
Base 15338c715338ca15
Base 1628093162809616
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