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30323 (another Prime Pages' Curiosity) |
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The first occurrence of a prime substring with prime length
that is also an emirp in the concatenated sequence of even
numbers (i.e., 246810121416182022242628303234...).
Note that the sum of its digits is a palindromic prime (11)
with a prime number of digits, and that exactly the same
such string arises if instead of the even numbers, it is
the minimal set of composite-strings
in base 10 which is concatenated
(4689101215202122252730323335...) [Beedassy]
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