A prime number N, in the range of 10 to 40, remains unchanged when its digits are reversed. The square of such a number is:

Question: A prime number N, in the range of 10 to 40, remains unchanged when its digits are reversed. The square of such a number is: Solution: মৌলিক সংখ্যা ১১ এর একক ও দশক স্থানীয় অঙ্ক একই। ১১২ = ১২১