Question 1004259: what is the general similarity between numbers  , , , and 
without including these answers.
whole,real, positive,natural numbers, lessthan86, greater than1, all none multiples of 3
Answer by fractalier(6550)   (Show Source):
You can put this solution on YOUR website! From quora.com comes this:
They are each divisors of 6460.
The Hamming weight of (278-n) = 3 for n=[2,4,17,19,85].
(9|n) = (49|n) = (111|n) = (321|n) = (1441|n) = (1449|n) = 1 for n=[2,4,17,19,85].
Pn+92 is a Ramanujan prime for n=[2,4,17,19,85].
The primitive root of Pn+1786 is 3 for n=[2,4,17,19,85].
(P_n|k) = -1 for n=[2,4,17,19,85] and k=[26066,42247,120602,232003,252310] (this set of k values gives only our numbers for n < 1000).
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