1. Numbers
  2. Compare 19989 vs 19997

Compare 19989 vs 19997

Property1998919997
Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization32 × 22211199971
Prime factorization3 × 3 × 222119997
Divisors count62
Divisors1, 3, 9, 2221, 6663, 199891, 19997
Number of properties09
Chen primes 1112th
Cousin primes (2nd member) 344th
Happy primes 377th
Harmonic primes 821st
Isolated primes 1579th
Primes 2262nd
Prime triplets (3rd member) 168th
Pythagorean primes 1125th
Sexy primes (2nd member) 693rd
Roman numberals  
Base 210011100001010121001110000111012
Base 31000102100310001021223
Base 4103201114103201314
Base 51114424511144425
Base 623231362323256
Base 711216471122057
Base 8470258470358
Base 9303709303789
Base 1019989101999710
Base 1114022111402a11
Base 12b69912b6a512
Base 13913813914313
Base 1473db14740514
Base 155dc9155dd215
Base 164e15164e1d16
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