1. Numbers
  2. Compare 20117 vs 21991

Compare 20117 vs 21991

Property2011721991
Typeprimeprime
Unique factors11
Total factors11
Prime factorization201171219911
Prime factorization2011721991
Divisors count22
Divisors1, 201171, 21991
Number of properties85
Additive primes1058th 
Chen primes 1208th
Cousin primes (2nd member)346th 
Harmonic primes825th 
Isolated primes1590th1720th
Primes2275th2463rd
Pythagorean primes1131st 
Sexy primes (1st member)697th742nd
Sexy prime triplets (1st member)192nd202nd
Roman numberals  
Base 210011101001010121010101111001112
Base 31000121002310100111113
Base 4103221114111132134
Base 51120432512004315
Base 623304562454516
Base 711243671210547
Base 8472258527478
Base 9305329331449
Base 1020117102199110
Base 1114129111558211
Base 12b785121088712
Base 13920613a01813
Base 14748d14802b14
Base 155e621567b115
Base 164e951655e716
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