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Single Curio View: (Seek other curios for this number) 55555544444441 is the smallest prime that produces a chain of 5 primes applying the following rule to each prime of the chain: Sum every digit powered to itself. E.g., 55555544444441 > 20543 > 3413 > 311 > 29. A chain of 6 provable primes will not be established for a long, long time. [Rivera]
Submitted: 20030609 12:19:13; Last Modified: 20080130 11:28:00.
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