There seem to be a lot of numerical coincidences bouncing around concerning the new year 2025. For example, it’s a square number:
The other one you have likely seen somewhere is this little gem: that 2025 equals both
But there are more – after all, 2025 does appear in over a thousand search results at the OEIS. Here’s a little collection:
Just over a month ago I posted that Number Gossip had been killed. Well,
It looks like Number Gossip is back, as gossipy and numerate as ever. Tanya hasn’t announced anything on her blog yet, so I thought a quick public-service note was in order.
For several years, Tanya Khovanova’s Number Gossip was an invaluable resource for maths fans whenever they found themselves saying, “that looks like a special number!” It was a simple list of integers and all the interesting facts known about each one; there were prime numbers, odd numbers, evil numbers, perfect numbers, and countless facts about unique properties of numbers.