“Two, four, six, eight; bog in, don’t wait”. As children, we learn numbers can either be even or odd. And there are many ways to categorize numbers as even or odd. We may memorize the rule that ...

There’s something odd about our arithmetic. Like Rodney Dangerfield, even numbers don’t get no respect. Start with prime numbers. A prime number has only two factors, meaning it is divisible only by ...

Humans are so smart that we can easily learn the difference between even numbers and odd numbers. And until a new study emerged, humans believed we were the only species capable of this feat, known as ...

Are odd numbers dominating our lives as Gregg Opelka writes in “The Odds Are Against Even Numbers” (op-ed, Dec. 26)? Well, we just enjoyed the 12 days of Christmas and will soon begin the election ...

What is the most bizarre real number that you can imagine? Probably many people think of an irrational number such as pi (π) or Euler’s number. And indeed, such values can be considered “wild.” After ...