Problem 1360
Find the smallest 4-digit number x such that the concatenated number x(x+2) is an 8-digit perfect square. For example, if x is the 4-digit number is 1234 then the concatenated number x(x + 2) is 12341236.
Login to Answer
Sharpen your math skills with a new problem every Tuesday to Friday. These daily challenges are perfect for those who enjoy quick, engaging puzzles.
Find the smallest 4-digit number x such that the concatenated number x(x+2) is an 8-digit perfect square. For example, if x is the 4-digit number is 1234 then the concatenated number x(x + 2) is 12341236.
The first 10 to correctly answer this question are shown below.
The 10 top-ranked leaderboards for this question are shown below.
View All Leaderboard Rankings