This number is a prime.

Just showing those entries submitted by 'Gaydos': (Click here to show all)

+ Is 167# the largest primorial number that contains a unique digit? It contains the digit 8 only once. [Gaydos]

+ The 167th prime number (991) and the 167th unhappy number (199) are an emirp pair. 167 is also an emirp. [Gaydos]

(There are 4 curios for this number that have not yet been approved by an editor.)

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