1. Numbers
  2. Compare 19997 vs 20006

Compare 19997 vs 20006

Property1999720006
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization19997121 × 71 × 14291
Prime factorization199972 × 7 × 1429
Divisors count28
Divisors1, 199971, 2, 7, 14, 1429, 2858, 10003, 20006
Number of properties90
Chen primes1112th 
Cousin primes (2nd member)344th 
Happy primes377th 
Harmonic primes821st 
Isolated primes1579th 
Primes2262nd 
Prime triplets (3rd member)168th 
Pythagorean primes1125th 
Sexy primes (2nd member)693rd 
Roman numberals  
Base 210011100001110121001110001001102
Base 31000102122310001022223
Base 4103201314103202124
Base 51114442511200115
Base 623232562323426
Base 711220571122207
Base 8470358470468
Base 9303789303889
Base 1019997102000610
Base 111402a111403811
Base 12b6a512b6b212
Base 13914313914c13
Base 14740514741014
Base 155dd2155ddb15
Base 164e1d164e2616
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