1. Numbers
  2. Compare 19997 vs 20123

Compare 19997 vs 20123

Property1999720123
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199971201231
Prime factorization1999720123
Divisors count22
Divisors1, 199971, 20123
Number of properties96
Chen primes1112th 
Cousin primes (2nd member)344th 
Happy primes377th 
Harmonic primes821st 
Isolated primes1579th1591st
Primes2262nd2276th
Prime triplets (3rd member)168th 
Pythagorean primes1125th 
Safe primes 191st
Sexy primes (1st member) 698th
Sexy primes (2nd member)693rd697th
Sexy prime triplets (2nd member) 192nd
Roman numberals  
Base 210011100001110121001110100110112
Base 31000102122310001210223
Base 4103201314103221234
Base 51114442511204435
Base 623232562330556
Base 711220571124457
Base 8470358472338
Base 9303789305389
Base 1019997102012310
Base 111402a111413411
Base 12b6a512b78b12
Base 13914313920c13
Base 14740514749514
Base 155dd2155e6815
Base 164e1d164e9b16
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