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A111331
Prime Fibonacci numbers whose digits in base 10 sum up to a prime.
1
2, 3, 5, 89, 514229, 433494437, 2971215073, 3061719992484545030554313848083717208111285432353738497131674799321571238149015933442805665949
OFFSET
1,1
COMMENTS
Fibonacci(104911) is the next (probable) prime whose digits sum to a prime. Thus the next term would be 21925 digits long. - Hans Havermann, Nov 06 2005
EXAMPLE
514229 is a prime Fibonacci number and the sum of the digits 5 + 1 + 4 + 2 + 2 + 9 = 23 is also a prime.
MATHEMATICA
Select[Fibonacci[Range[1000]], PrimeQ[#]&&PrimeQ[Total[IntegerDigits[#]]]&] (* James C. McMahon, May 31 2024 *)
CROSSREFS
KEYWORD
base,hard,nonn
AUTHOR
STATUS
approved