The book is now available! 22111
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate: 		+ This prime cubed contains, in base 10, seven distinct digits (except 2, 4 and 7) each occurring with the same frequency of two. It is the smallest solution in its class P3(7.2). [De Geest]

+ The square root of 488896321. Note that the reversal of 488896321 is 11122 squared. Truncate the first 2 to get the prime 2111, which has the same square root of reversal of square property. [Post]

  To link to this page use http://primes.utm.edu/curios/page.php?number_id=4535


Prime Curios! © 1999-2009 (all rights reserved)