669757966

This number is a composite.

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

+ 669757966^(6+6+9+7+5+7+9+6+6) + (6+6+9+7+5+7+9+6+6) is prime. Can you find a larger prime of form n^sod(n)+sod(n), where n is palindromic? [Sariyar]

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