Prove that an integer with digits '1' is not a perfect square.

Gokul43201

Yes Leong, you're right - I shouldn't have said that. I take back what I said, and apologize.

Nevertheless Supundika, I strongly suggest you be sure of your math before you post, lest you mislead people that come here to get doubts cleared.

Gokul43201 Recognitions: Gold Member Science Advisor Staff Emeritus	Yes Leong, you're right - I shouldn't have said that. I take back what I said, and apologize. Nevertheless Supundika, I strongly suggest you be sure of your math before you post, lest you mislead people that come here to get doubts cleared.