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# 688889

This number is a prime.

The smallest strobogrammatic prime of the form
68_{k}9. [Patterson]

The smallest prime number containing 10 circular loops. Curiously, the smallest prime containing 9 loops, i.e., 828889, is larger. [Gaydos]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell