This year is a big one for the math nerds out there — and for many, a once-in-a-lifetime occasion. That’s because 2025 is a “perfect square,” a number that’s the product of a squared integer — 45 ...

Pi Day (March 14) is a day of global mathematical celebration, but it’s not the only numerically significant calendar date. It’s far from the rarest, either. In fact, today marks a special occasion ...

"And that in fact is the most famous theorem in all of mathematics," says Adams ... (Fun bonus: It turns out the full year, 2025, is also a perfect square: 45 times 45.) In any case, Adams says that ...