1. Numbers
  2. Compare 19913 vs 19997

Compare 19913 vs 19997

Property1991319997
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199131199971
Prime factorization1991319997
Divisors count22
Divisors1, 199131, 19997
Number of properties109
Additive primes1045th 
Chen primes 1112th
Cousin primes (2nd member) 344th
Emirps626th 
Good primes256th 
Happy primes 377th
Harmonic primes 821st
Isolated primes1572nd1579th
Long primes861st 
Primes2251st2262nd
Prime triplets (3rd member) 168th
Pythagorean primes1119th1125th
Sexy primes (1st member)691st 
Sexy primes (2nd member) 693rd
Sophie germain primes324th 
Super primes335th 
Roman numberals  
Base 210011011100100121001110000111012
Base 31000022112310001021223
Base 4103130214103201314
Base 51114123511144425
Base 623210562323256
Base 711202571122057
Base 8467118470358
Base 9302759303789
Base 1019913101999710
Base 1113a63111402a11
Base 12b63512b6a512
Base 1390aa13914313
Base 14738514740514
Base 155d78155dd215
Base 164dc9164e1d16
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