1583

This number is a prime.

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

+ The smallest emirp that is the sum of first n nontrivial (multidigit) palindromes (11+22+33+...+161+171=1583). [Bajpai]

+ The smallest Sophie Germain prime p such that sod(p); the sod(p^2); the sod(p^3); all are prime. [Bajpai]

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