The book is now available! 656
(another Prime Pages' Curiosity)
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+ 656 = pi( (6+5+6)^length(656) ). Note that 656 is the smallest number with this property. [Firoozbakht]

+ 656 = pi(6*5*6) * phi(6+5+6). Note that 656 is the smallest multi-digit number with this property. [Firoozbakht]

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