Prime Curios!: 1777771

1777771
(another Prime Pages' Curiosity)

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A curious 7-digit Plateau prime. Note that its internal digits form a number that is the sum of the numbers formed from the internal digits of two smaller 7-digit Plateau primes, 1333331 and 1444441. [Angelou]

Submitted: 2000-07-08 21:59:07; Last Modified: 2008-01-30 11:28:00.