The book is now available! 312984
(another Prime Pages' Curiosity)
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+ 312984 = (pi(3)+prime(3)) * (pi(1)+prime(1)) * (pi(2)+ prime(2)) * (pi(9)+prime(9)) * (pi(8)+prime(8)) * (pi(4) +prime(4)). Note that 312984 is the earliest number with this property. [Firoozbakht]




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