This number is a prime.

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

+ The prime number 163 contains only the three positive triangular digits, as does the 163rd triangular number (13366). [Gaydos]

+ The first 163 multiples of 6 are adjacent to a total of 163 prime numbers. [Gaydos]

(There are 5 curios for this number that have not yet been approved by an editor.)

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