Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group ?
126 = $$5^{3} + 1$$
217 = $$6^{3} + 1$$
345 = $$7^{3} + $$ 2
513 = $$8^{3} + 1$$
730 = $$9^{3} + 1$$
=> 345 is the odd one out.
Create a FREE account and get:
