1. Numbers
  2. Compare 18979 vs 18980

Compare 18979 vs 18980

Property1897918980
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization18979122 × 51 × 131 × 731
Prime factorization189792 × 2 × 5 × 13 × 73
Divisors count224
Divisors1, 189791, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980
Number of properties50
Isolated primes1505th 
Long primes826th 
Lucky primes351st 
Primes2158th 
Sexy primes (2nd member)660th 
Roman numberals  
Base 210010100010001121001010001001002
Base 322200022132220002223
Base 4102202034102202104
Base 51101404511014105
Base 622351162235126
Base 710622271062237
Base 8450438450448
Base 9280279280289
Base 1018979101898010
Base 1113294111329511
Base 12ab9712ab9812
Base 13883c13884013
Base 146cb9146cba14
Base 15595415595515
Base 164a23164a2416
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