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Search: id:A020472
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A020472 Primes that contain digits 8 and 9 only. +0
4
89, 8999, 89899, 89989, 98899, 98999, 99989, 888989, 898889, 989999, 998989, 8888989, 8889889, 8988989, 8989999, 8998889, 8999899, 9888889, 9889889, 9899999, 9989899, 9999889, 88888999, 88898989, 88989899, 89888989, 89889889, 89898889 (list; graph; listen)
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Last modified December 6 13:15 EST 2009. Contains 170429 sequences.


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