7034003

This number is a prime.

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The smallest n-digit emirp p that is the sum of n consecutive n-digit nonprime-digit primes, i.e., (1000669 + 1000691 + 1000849 + 1000861 + 1000889 + 1000919 + 1000969), (case n=7). Curiously, sod(p) = 17 is also an emirp. [Bajpai]

Submitted: 2021-04-18 15:45:05; Last Modified: 2021-04-18 17:21:47.