pankaj prithyani

Is there a positive integer whose repeat is a perfect square? If so, how many such integers exist?

The repeat of a positive integer is obtained by writing it twice in a row (so, for example, the repeat of 2017 is 20172017)

Posted 3+ months ago | 1 answers | 1 star | Open

Related topics: square, writing, positive, perfect, example, rows, integer, mathematics, mathematician, maths