The book is now available! 5849
(another Prime Pages' Curiosity)
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+ pi(5849) = (pi(5)*pi(8)*pi(4)*pi(9)) * (pi(pi(5))*pi(pi(8))*pi(pi(4))*pi(pi(9)). Note that 5849 is the earliest multi-digit prime with this property. [Firoozbakht]

(There is one curio for this number that has not yet been approved by an editor.)




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