1. Numbers
  2. Compare 18127 vs 19991

Compare 18127 vs 19991

Property1812719991
Typeprimeprime
Unique factors11
Total factors11
Prime factorization181271199911
Prime factorization1812719991
Divisors count22
Divisors1, 181271, 19991
Number of properties119
Additive primes976th1049th
Chen primes1031st1111th
Cousin primes (1st member)324th 
Harmonic primes 820th
Isolated primes1440th 
Long primes797th 
Lucky primes339th 
Palindromic primes 46th
Primes2077th2260th
Prime triplets (1st member)157th168th
Sexy primes (1st member)641st693rd
Sexy primes (2nd member)640th 
Sexy prime triplets (2nd member)178th 
Sophie germain primes 326th
Twin primes (1st member) 342nd
Roman numberals  
Base 210001101100111121001110000101112
Base 3220212101310001021023
Base 4101230334103201134
Base 51040002511144315
Base 621553162323156
Base 710356471121667
Base 8433178470278
Base 9267719303729
Base 1018127101999110
Base 111268a111402411
Base 12a5a712b69b12
Base 13833513913a13
Base 14686b1473dd14
Base 155587155dcb15
Base 1646cf164e1716
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