1. Numbers
  2. Compare 19997 vs 20071

Compare 19997 vs 20071

Property1999720071
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199971200711
Prime factorization1999720071
Divisors count22
Divisors1, 199971, 20071
Number of properties95
Chen primes1112th1116th
Cousin primes (2nd member)344th 
Happy primes377th 
Harmonic primes821st824th
Isolated primes1579th1585th
Lucky primes 368th
Primes2262nd2270th
Prime triplets (3rd member)168th 
Pythagorean primes1125th 
Sexy primes (2nd member)693rd 
Roman numberals  
Base 210011100001110121001110011001112
Base 31000102122310001121013
Base 4103201314103212134
Base 51114442511202415
Base 623232562325316
Base 711220571123427
Base 8470358471478
Base 9303789304719
Base 1019997102007110
Base 111402a111409711
Base 12b6a512b74712
Base 13914313919c13
Base 14740514745914
Base 155dd2155e3115
Base 164e1d164e6716
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