71

This number is a prime.

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

Jeffery Marshall © 2002
+ The 71st Fibonacci number plus 71! is a prime number. [Gaydos]

+ There are no nines in the first 71 multiples of 125. Is there any number that has more than 71 nineless first n multiples? [Gaydos]

+ The sum of the first 71 brilliant numbers (35821) is a brilliant number. [Gaydos]

(There is one curio for this number that has not yet been approved by an editor.)

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