1. Numbers
  2. Compare 19919 vs 19997

Compare 19919 vs 19997

Property1991919997
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199191199971
Prime factorization1991919997
Divisors count22
Divisors1, 199191, 19997
Number of properties79
Additive primes1046th 
Chen primes1107th1112th
Cousin primes (2nd member) 344th
Happy primes 377th
Harmonic primes816th821st
Isolated primes1573rd1579th
Primes2252nd2262nd
Prime triplets (3rd member) 168th
Pythagorean primes 1125th
Sexy primes (2nd member)691st693rd
Sophie germain primes325th 
Roman numberals  
Base 210011011100111121001110000111012
Base 31000022202310001021223
Base 4103130334103201314
Base 51114134511144425
Base 623211562323256
Base 711203471122057
Base 8467178470358
Base 9302829303789
Base 1019919101999710
Base 1113a69111402a11
Base 12b63b12b6a512
Base 1390b313914313
Base 14738b14740514
Base 155d7e155dd215
Base 164dcf164e1d16
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