44448...99999 (27-digits)
This number is a prime.
4444888 8888866666 6999999999
Single Curio View: (Seek other curios for this number)
The smallest prime with each composite digit d repeated d times. [Loungrides]
Submitted: 2014-06-26 17:41:47; Last Modified: 2020-06-28 17:04:23.
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