16058314729

This number is a prime.

                                                                1 6058314729

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The smallest pandigital prime p formed from the concatenation of a Honaker prime H and its its prime index π(H), i.e., {160583, 14729}. Curiously, p can also be expressed as the sum of two squares: (117723^2 + 46900^2). [Bajpai]