Many people use one finger to count a number when asked, 'Use both fingers to count numbers.' In this How to count, to be counted using both hands is up to 0 to 10, more than to count the number of, ...

When you see repeating number sequences, you may think it's a coincidence. Perhaps it's your favorite number or you have a special memory associated with it. However, this is no coincidence! It's ...

In the early 1970s mathematician Donald Knuth spent a sabbatical with his wife in Norway. The time was meant to be spent relaxing. Yet one night he woke up his partner in a state of agitation. He ...

What is the largest natural number possible? By using the word natural, I have ruled out the possibility that you simply answer infinity (∞) to torpedo the guessing game. But even if we allowed ...