6089
This number is a prime.
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The first occurrence of a twin prime pair (6089, 6091) that both consist of a nonprime number of nonprime digits only. Note that the larger member is an invertible prime which turned upside down corresponds also to the larger member (1609) of a twin prime pair. [Beedassy]
Submitted: 2009-01-01 09:32:00; Last Modified: 2019-01-30 02:01:12.
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