53
This number is a prime.
Just showing those entries submitted by 'Gaydos': (Click here to show all)

 
There are exactly 53 sevens in the first 53 seventh powers.  [Gaydos]
 
53 (exactly half) of the first 106 prime numbers each has
at least one prime cousin.  [Gaydos]
 
There are 53 six-digit cubes.  [Gaydos]
 
The sum of the first 53 positive palindromic numbers is divisible by 53.  [Gaydos]
 
53^4 is the smallest Cyclops fourth power (7890481).  [Gaydos]
(There are 4 curios for this number that have not yet been approved by an editor.)
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