77777...22223 (29-digits)
This number is a prime.
777777322 2232222223 2222222223
Single Curio View: (Seek other curios for this number)
Conjecturally, the largest emirp with only prime digits
that has a
multiplicative persistence of 11. Note the prime number
of digits. [Beedassy]
Submitted: 2009-06-30 21:27:37; Last Modified: 2009-06-30 21:28:59.
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