A four digit number is squared to form an eight digit number. The center four digits of that square form the four digit number. Find all possible four digit numbers.

(If 'abcd' was the four digit number, then the eight digit number would look like 'wxabcdyz'.)

(In reply to re(3): Excel Solution by Michael Cottle)

I wouldn't say I have "nothing." I was searching for zeros.

Posted by np_rt on 2004-11-29 07:36:51