71
This number is a prime.
Just showing those entries submitted by 'Gaydos': (Click here to show all)
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Jeffery Marshall © 2002 |

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]
The sum of the digits of the first 71 semiprimes is 666. [Gaydos]
(There are 2 curios for this number that have not yet been approved by an editor.)
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