1. Numbers
  2. Compare 18913 vs 19993

Compare 18913 vs 19993

Property1891319993
Typeprimeprime
Unique factors11
Total factors11
Prime factorization189131199931
Prime factorization1891319993
Divisors count22
Divisors1, 189131, 19993
Number of properties118
Additive primes 1050th
Cousin primes (1st member)335th344th
Emirps591st 
Harmonic primes776th 
Long primes825th865th
Lucky primes 367th
Primes2152nd2261st
Prime quadruplets (2nd member)18th 
Prime triplets (1st member)162nd 
Prime triplets (2nd member)161st168th
Pythagorean primes1066th1124th
Sexy primes (1st member)659th 
Twin primes (2nd member)326th342nd
Roman numberals  
Base 210010011110000121001110000110012
Base 3221221111310001021113
Base 4102132014103201214
Base 51101123511144335
Base 622332162323216
Base 710606671122017
Base 8447418470318
Base 9278449303749
Base 1018913101999310
Base 1113234111402611
Base 12ab4112b6a112
Base 1387bb13913c13
Base 146c6d14740114
Base 15590d155dcd15
Base 1649e1164e1916
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