42727
This number is a prime.
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The smallest Yarborough Honaker prime that remains so when each of its digits are replaced by their cubes: 42727 -> {64, 8, 343, 8, 343}. [Bajpai]
Submitted: 2019-09-11 20:34:10; Last Modified: 2020-06-15 11:38:06.
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