89
This number is a prime.
Single Curio View: (Seek other curios for this number)
89 is the smallest recursive "squarev" (square and reverse)
prime that results in 2 additional terms, i.e., 89 -> 1297 -> 9022861.
What is the longest chain you can find? [Honaker]
Submitted: 2025-10-10 19:02:50; Last Modified: 2025-10-10 19:05:46.
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