1. Numbers
  2. Compare 19997 vs 20149

Compare 19997 vs 20149

Property1999720149
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199971201491
Prime factorization1999720149
Divisors count22
Divisors1, 199971, 20149
Number of properties98
Chen primes1112th 
Cousin primes (2nd member)344th 
Happy primes377th 
Harmonic primes821st828th
Isolated primes1579th 
Long primes 872nd
Lucky primes 371st
Primes2262nd2280th
Prime triplets (3rd member)168th169th
Pythagorean primes1125th1133rd
Sexy primes (2nd member)693rd699th
Twin primes (2nd member) 344th
Roman numberals  
Base 210011100001110121001110101101012
Base 31000102122310001220213
Base 4103201314103223114
Base 51114442511210445
Base 623232562331416
Base 711220571125137
Base 8470358472658
Base 9303789305679
Base 1019997102014910
Base 111402a111415811
Base 12b6a512b7b112
Base 13914313922c13
Base 1474051474b314
Base 155dd2155e8415
Base 164e1d164eb516
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