1

Bzzzt! 4077 = 3 x 3 x 3 x 151

4079

2^10 + 5^3 + 11^2 + 53^2

Votes + Comments
I was just making sure if everyone was awake :P
0

4159

The largest known prime that is the mean of two consecutive Mersenne primes. (2^7-1+2^13-1)/2

2^9 + 3^4 + 13^3 + 37^2

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