1. Numbers
  2. Compare 19997 vs 20007

Compare 19997 vs 20007

Property1999720007
Typeprimecomposite number
Unique factors13
Total factors16
Prime factorization19997134 × 131 × 191
Prime factorization199973 × 3 × 3 × 3 × 13 × 19
Divisors count220
Divisors1, 199971, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 20007
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 210011100001110121001110001001112
Base 31000102122310001100003
Base 4103201314103202134
Base 51114442511200125
Base 623232562323436
Base 711220571122217
Base 8470358470478
Base 9303789304009
Base 1019997102000710
Base 111402a111403911
Base 12b6a512b6b312
Base 13914313915013
Base 14740514741114
Base 155dd2155ddc15
Base 164e1d164e2716
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