1556551

This number is a prime.

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

+ A palindromic prime expressed by a sum of powers where the nine digits appear as bases and exponents: 1^1 + 2^2 + 3^4 + 4^9 + 5^8 + 6^6 + 7^7 + 8^5 + 9^3. [Silva]

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