This number is a prime.

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If you replace each digit of 22003 with the digit's cube, you obtain a new prime and up to five primes doing this recursively: 22003, 880027, 512512008343, 125181251800512276427, 18125151218125151200125188343216648343. [Rivera]

Submitted: 2020-06-10 19:41:59;   Last Modified: 2020-06-10 19:53:32.
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