268468223
This number is a composite.
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The 2nd Kynea brilliant number formed from the type 4^n +
2^(n+1) - 1 for n=14, is the largest Kynea brilliant number
less than a googol, i.e., 4^14+2^15-1=268468223=15913 x
16871. [Loungrides]
Submitted: 2020-02-05 18:26:09; Last Modified: 2020-02-05 18:45:34.
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