223
This number is a prime.
Single Curio View: (Seek other curios for this number)
The starting prime of a sequence of five primes
following this rule: The Kth prime is obtained from the
previous one substituting each digit d by d^K: 223, 449,
6464729, 129625612962562401166561,
1325904977763231257776132590497776323125777632102401177767776312577761. [Rivera]
Submitted: 2020-06-12 16:57:54; Last Modified: 2020-06-12 17:00:03.
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