1. Numbers
  2. Compare 19997 vs 20899

Compare 19997 vs 20899

Property1999720899
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199971208991
Prime factorization1999720899
Divisors count22
Divisors1, 199971, 20899
Number of properties910
Chen primes1112th1157th
Cousin primes (1st member) 356th
Cousin primes (2nd member)344th 
Happy primes377th388th
Harmonic primes821st862nd
Isolated primes1579th 
Long primes 894th
Lucky primes 382nd
Primes2262nd2351st
Prime triplets (2nd member) 174th
Prime triplets (3rd member)168th 
Pythagorean primes1125th 
Sexy primes (2nd member)693rd 
Super primes 349th
Twin primes (2nd member) 356th
Roman numberals  
Base 210011100001110121010001101000112
Base 31000102122310012000013
Base 4103201314110122034
Base 51114442511320445
Base 623232562404316
Base 711220571146347
Base 8470358506438
Base 9303789316019
Base 1019997102089910
Base 111402a111477a11
Base 12b6a5121011712
Base 13914313968813
Base 14740514788b14
Base 155dd21562d415
Base 164e1d1651a316
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