1. Numbers
  2. Compare 19997 vs 20101

Compare 19997 vs 20101

Property1999720101
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199971201011
Prime factorization1999720101
Divisors count22
Divisors1, 199971, 20101
Number of properties98
Chen primes1112th1117th
Cousin primes (2nd member)344th 
Happy primes377th 
Harmonic primes821st 
Isolated primes1579th1587th
Long primes 869th
Lucky primes 370th
Primes2262nd2272nd
Prime triplets (3rd member)168th 
Pythagorean primes1125th1129th
Sexy primes (1st member) 695th
Sexy primes (2nd member)693rd 
Sexy prime triplets (1st member) 191st
Roman numberals  
Base 210011100001110121001110100001012
Base 31000102122310001201113
Base 4103201314103220114
Base 51114442511204015
Base 623232562330216
Base 711220571124147
Base 8470358472058
Base 9303789305149
Base 1019997102010110
Base 111402a111411411
Base 12b6a512b77112
Base 1391431391c313
Base 14740514747b14
Base 155dd2155e5115
Base 164e1d164e8516
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