364
This number is a composite.
Just showing those entries submitted by 'Firoozbakht': (Click here to show all)
364 = sigma(prime(3)^2 + prime(6)^2 + prime(4)^2). Note that 364 is the smaller of only two numbers with this property. [Firoozbakht]
π(364) = 3*6*4. [Firoozbakht]
phi(364) - π(364) = 3*6*4. [Firoozbakht]
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