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Christian Lawson-Perfect

@christianp@mathstodon.xyz

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Numerologists take note: tomorrow, 27th September 2025, is a square date in both US and Everywhere Else notation.5205² = 27092025 and 3045² = 9272025This is the last time this will happen for a thousand years!
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Numerologists take note: tomorrow, 27th September 2025, is a square date in both US and Everywhere Else notation.5205² = 27092025 and 3045² = 9272025This is the last time this will happen for a thousand years! (except trivial dates where the US and Everywhere Else forms are the same) (from @EdPeggJr on math-fun)

Piero Bosio Social Web Site Personale

Christian Lawson-Perfect

Topics

Numerologists take note: tomorrow, 27th September 2025, is a square date in both US and Everywhere Else notation.5205² = 27092025 and 3045² = 9272025This is the last time this will happen for a thousand years!