8179718
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Smallest palindrome that becomes a palindromic prime whether 1, 3, 7, or 9, are concatenated on its ends (181797181,
381797183, 781797187, 981797189). [Sariyar]
Submitted: 2024-01-05 11:26:46; Last Modified: 2024-01-05 12:48:53.
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