Some strange mathematical sequences are always whole numbers — until they’re not. The puzzling patterns have revealed ties to graph theory and prime numbers, awing mathematicians. Simple, yes, but ...

The Fibonacci sequence is a mathematical concept that has been around for centuries. Named after Italian mathematician Leonardo of Pisa, also known as Fibonacci, the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Expecting a big change or making an effort to transform your life? Keep an eye out for the number sequence 444. Commonly referred to as "angel numbers," certain number series are believed to relay a ...

You glance at your phone: 11:11. Your coffee costs $11.11. A license plate reads 111. If these repeating digits keep catching your eye, you might be wondering if there’s more to it than chance.

It has inspired yachts, cars, and countless buildings, and now the Fibonacci number sequence has served as muse to 3D-printing firm Twente Additive Manufacturing (TAM), which has created what it calls ...

We may earn commission from links on this page, but we only recommend products we love. Promise. There are some things that once you start noticing, you simply can't stop. Even things as mundane as ...

You buy lunch and your receipt comes to $15.15. Later that same day, your friend picks you up and the license plate ends with those same numbers, 1515. Finally, while you're winding down at home, ...