1. Numbers
  2. Compare 19919 vs 19928

Compare 19919 vs 19928

Property1991919928
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization19919123 × 471 × 531
Prime factorization199192 × 2 × 2 × 47 × 53
Divisors count216
Divisors1, 199191, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 2491, 4982, 9964, 19928
Number of properties70
Additive primes1046th 
Chen primes1107th 
Harmonic primes816th 
Isolated primes1573rd 
Primes2252nd 
Sexy primes (2nd member)691st 
Sophie germain primes325th 
Roman numberals  
Base 210011011100111121001101110110002
Base 31000022202310001000023
Base 4103130334103131204
Base 51114134511142035
Base 623211562321326
Base 711203471120467
Base 8467178467308
Base 9302829303029
Base 1019919101992810
Base 1113a691113a7711
Base 12b63b12b64812
Base 1390b31390bc13
Base 14738b14739614
Base 155d7e155d8815
Base 164dcf164dd816
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