127

This number is a prime.

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If A = 1, B = 4, C = 1, ..., Z = 8, using the decimal digits of π, then 'A LEFT AND RIGHT TRUNCATABLE PRIME' is a left and right truncatable prime. [Homewood]

Submitted: 2020-09-01 13:21:16;   Last Modified: 2021-01-31 07:48:21.
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