1. Numbers
  2. Compare 19819 vs 19820

Compare 19819 vs 19820

Property1981919820
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization19819122 × 51 × 9911
Prime factorization198192 × 2 × 5 × 991
Divisors count212
Divisors1, 198191, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820
Number of properties60
Chen primes1104th 
Isolated primes1568th 
Long primes860th 
Primes2243rd 
Sexy primes (2nd member)689th 
Super primes334th 
Roman numberals  
Base 210011010110101121001101011011002
Base 31000012001310000120023
Base 4103112234103112304
Base 51113234511132405
Base 623143162314326
Base 711153271115337
Base 8465538465548
Base 9301619301629
Base 1019819101982010
Base 1113988111398911
Base 12b57712b57812
Base 13903713903813
Base 14731914731a14
Base 155d14155d1515
Base 164d6b164d6c16
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