Question

find the least 4-digit number, which is a perfect square.also,find square root of that number​

Answer 1

Answer:

1024

Greatest number of four digits = 1000. (32)2 is more than 1000 by 24. So, the least number to be added to 1000 is 24. Therefore, the smallest four digit number which is a perfect square is 1024.

Answer 2

Answer:

So, the least number to be added to 1000 is 24. Therefore, the smallest four digit number which is a perfect square is 1024