MATHEMATICS ENCYCLOPEDIA

Narcissistic number is a number that is the sum of its own digits each raised to the power of the number of digits. Narcissistic numbers also known as Armstrong number , plus perfect number , plusperfect digital invariant Examples 153 = 1 3 + 5 3 + 3 3 370 = 3 3 + 7 3 + 0 3 407 = 4 3 + 0 3 + 7 3

Here we would solve a dot puzzle Consider the figure below Connect all the dots without lifting the pen with only 4 straight lines and the lines do not overlap. Here are some examples already done for you but not been solved because some dots left to be crossed. You could see that some dots have been left to be crossed by the line. So do you think you could solve it. Let us try one more time. Now, what do you see, the puzzle has been solved with the required conditions. Find out some more solutions to this question.