1. Numbers
  2. Compare 2081 vs 18911

Compare 2081 vs 18911

Property208118911
Typeprimeprime
Unique factors11
Total factors11
Prime factorization20811189111
Prime factorization208118911
Divisors count22
Divisors1, 20811, 18911
Number of properties1010
Additive primes162nd 
Centered decagonal primes 32nd
Chen primes192nd1066th
Emirps 590th
Good primes 247th
Harmonic primes 775th
Primes313th2151st
Prime quadruplets (1st member)8th18th
Prime triplets (1st member)51st161st
Pythagorean primes152nd 
Sexy primes (1st member)132nd658th
Solinas primes58th 
Super primes65th 
Twin primes (1st member)63rd326th
Roman numberalsMMLXXXI 
Base 210000010000121001001110111112
Base 3221200232212211023
Base 42002014102131334
Base 531311511011215
Base 61334562233156
Base 7603271060647
Base 840418447378
Base 927629278429
Base 102081101891110
Base 111622111323211
Base 12125512ab3b12
Base 13c411387b913
Base 14a89146c6b14
Base 1593b15590b15
Base 168211649df16
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