How many close friendships are enough? Are three to five ideal? Can one best friend be all you need? How about a dozen? “The more, the merrier,” says Vincent Day, who has separate clusters of close ...

Number enthusiasts may be looking to the new year with a touch of melancholy. Another perfect square like 2025 (45 2 = 2,025) won’t occur again until 2116 (46 2 = 2,116). The year 2027 will be a prime ...

Is 170,141,183,460,469,231,731,687,303,715,884,105,727 prime? Before you ask the Internet for an answer, can you consider how you might answer that question without a ...

Spoiler alert! This story discusses details in the documentary "Unknown Number: The High School Catfish." "Unknown Number: The High School Catfish" has been the talk of social media since dropping on ...

In an age of constant communication, receiving phone calls or messages from unknown numbers has become increasingly common. Whether it's a missed call from an unfamiliar number, a potential scam or a ...

Our phones are a direct line to us, but sometimes we don’t want to give our numbers out to just anyone. They have more information attached to them than we might realize. Instead of giving your real ...

Here’s what you’ll learn when you read this story: The Busy Beaver number, or BB(n), represents a mathematical problem that tries to calculate the longest possible run-time of a Turing machine ...

Amateur mathematicians are closing in on an unimaginably huge number – one so large that it brushes up on the edge of what is even knowable within the framework of modern mathematics. It all stems ...

If your name gets picked for jury duty, it’s because a computer used a random number generator to select it. The same goes for tax audits or when you opt for a quick pick lottery ticket. But how can ...

To join the CNBC Technology Executive Council, go to cnbccouncils.com/tec An increasing number of seemingly random and innocuous texts are hitting Apple and Android ...

The number 47 is considered sacred for anyone who attended Pomona College. It feels like Trump and his followers have appropriated my favorite number. My favorite baseball cap is emblazoned with the ...