A new problem every Monday that challenges participants of all ages to think creatively and apply their math skills. Perfect for a weekly mental challenge.
The number 1634 is unique since 1634 = 14 + 64 + 34 + 44. There are three such four-digit positive numbers. Find the sum of the three numbers that share this unique trait where abcd = a4 + b4 + c4 + d4. The smallest is 1634.
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