8317
This number is a prime.
The largest prime concatenated from two double-digit primes summed to a hundred, i.e., 83 and 17. [Loungrides]
A prime expressed by the first four Fibonacci primes: 2^13+5^3. Note three Fibonacci numbers in the prime. [Silva]
(There is one curio for this number that has not yet been approved by an editor.)
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