7297
This number is a prime.
Single Curio View: (Seek other curios for this number)
The smallest emirp that remains an emirp when each digit is
repeated a number of times equal to its complement:
777222222229777. [Beedassy]
Submitted: 2010-02-26 06:55:27; Last Modified: 2010-02-26 21:00:44.
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