1. Numbers
  2. Compare 19997 vs 20717

Compare 19997 vs 20717

Property1999720717
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199971207171
Prime factorization1999720717
Divisors count22
Divisors1, 199971, 20717
Number of properties97
Additive primes 1083rd
Chen primes1112th1146th
Cousin primes (2nd member)344th 
Good primes 260th
Happy primes377th386th
Harmonic primes821st 
Isolated primes1579th 
Primes2262nd2332nd
Prime triplets (3rd member)168th 
Pythagorean primes1125th1160th
Sexy primes (2nd member)693rd 
Twin primes (1st member) 352nd
Roman numberals  
Base 210011100001110121010000111011012
Base 31000102122310011020223
Base 4103201314110032314
Base 51114442511303325
Base 623232562355256
Base 711220571142547
Base 8470358503558
Base 9303789313689
Base 1019997102071710
Base 111402a111462411
Base 12b6a512bba512
Base 13914313957813
Base 14740514779b14
Base 155dd215621215
Base 164e1d1650ed16
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