1. Numbers
  2. Compare 19997 vs 20231

Compare 19997 vs 20231

Property1999720231
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199971202311
Prime factorization1999720231
Divisors count22
Divisors1, 199971, 20231
Number of properties95
Chen primes1112th1124th
Cousin primes (2nd member)344th 
Happy primes377th 
Harmonic primes821st830th
Isolated primes1579th 
Primes2262nd2287th
Prime triplets (3rd member)168th 
Pythagorean primes1125th 
Sexy primes (2nd member)693rd 
Super primes 340th
Twin primes (1st member) 345th
Roman numberals  
Base 210011100001110121001111000001112
Base 31000102122310002020223
Base 4103201314103300134
Base 51114442511214115
Base 623232562333556
Base 711220571126617
Base 8470358474078
Base 9303789306689
Base 1019997102023110
Base 111402a111422211
Base 12b6a512b85b12
Base 13914313929313
Base 14740514753114
Base 155dd2155edb15
Base 164e1d164f0716
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