240173

This number is a prime.

Just showing those entries submitted by 'Bajpai': (Click here to show all)

+ The smallest Honaker prime P that is the sum of the squares of first n semiprimes, i.e., (4^2+6^2+9^2+...+123^2+129^2), (case n=43). Curiously, P is also expressible as the sum of squares: (382^2+307^2). [Bajpai]

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