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StarSpark.AI
@starsparkai.bsky.social
· Jan 1
Happy 2025 = 45², the first “square” year since 1936, the next being 2116. Its digit sum is also a square: 2+0+2+5 = 9 = 3². This last happened in 1681 and next occurs in 2304. And not since 900 has the year divided by the digit sum been a square too: 900/9=100 = 10² & 2025/9=225 = 15² QED. 👀🎉😁