312984

This number is a composite.

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312984 = (π(3)+prime(3)) * (π(1)+prime(1)) * (π(2)+ prime(2)) * (π(9)+prime(9)) * (π(8)+prime(8)) * (π(4) +prime(4)). Note that 312984 is the earliest number with this property. [Firoozbakht]

Submitted: 2004-09-21 10:40:34;   Last Modified: 2008-01-30 11:28:00.
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