Among the natural numbers below 100, there are 30 with a special property. Jovan has listed them in the table here. But Jovan made a mistake, and one of these numbers must be replaced. Which number ...

We humans seem to be born with a number line in our head. But a May 30 study in Science suggests it may look less like an evenly segmented ruler and more like a logarithmic slide rule on which the ...

Numbers hide complex relationships that are tough to imagine. So here’s a pretty picture that brings them to light. The world belongs to the mathematicians and the physicists. We lay people may pump ...