1. Numbers
  2. Compare 19913 vs 19918

Compare 19913 vs 19918

Property1991319918
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization19913121 × 231 × 4331
Prime factorization199132 × 23 × 433
Divisors count28
Divisors1, 199131, 2, 23, 46, 433, 866, 9959, 19918
Number of properties100
Additive primes1045th 
Emirps626th 
Good primes256th 
Isolated primes1572nd 
Long primes861st 
Primes2251st 
Pythagorean primes1119th 
Sexy primes (1st member)691st 
Sophie germain primes324th 
Super primes335th 
Roman numberals  
Base 210011011100100121001101110011102
Base 31000022112310000222013
Base 4103130214103130324
Base 51114123511141335
Base 623210562321146
Base 711202571120337
Base 8467118467168
Base 9302759302819
Base 1019913101991810
Base 1113a631113a6811
Base 12b63512b63a12
Base 1390aa1390b213
Base 14738514738a14
Base 155d78155d7d15
Base 164dc9164dce16
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