1. Numbers
  2. Compare 18979 vs 18990

Compare 18979 vs 18990

Property1897918990
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization18979121 × 32 × 51 × 2111
Prime factorization189792 × 3 × 3 × 5 × 211
Divisors count224
Divisors1, 189791, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 1055, 1266, 1899, 2110, 3165, 3798, 6330, 9495, 18990
Number of properties50
Isolated primes1505th 
Long primes826th 
Lucky primes351st 
Primes2158th 
Sexy primes (2nd member)660th 
Roman numberals  
Base 210010100010001121001010001011102
Base 322200022132220011003
Base 4102202034102202324
Base 51101404511014305
Base 622351162235306
Base 710622271062367
Base 8450438450568
Base 9280279280409
Base 1018979101899010
Base 111329411132a411
Base 12ab9712aba612
Base 13883c13884a13
Base 146cb9146cc614
Base 15595415596015
Base 164a23164a2e16
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