Tuesday, November 22, 2022

Palindromic dates and square and cube years: Calender numerology

In most of the world but the United States, today's date is a palindrome: 22.11.22. Unless I'm mistaken, it's the last one before 13 November 2031: 13.11.31. Such numerological play with dates is meaningless but fun. The other day I came across the claim that "2022 is a cube", which I understood arithmetically. But the cube root of 2022 is 12.64...! The last cube year was 1728; the next will be 2197, so none of us will experience one. But the most recent square year was 1936, and the next one will be 2025, so anyone turning 89 three years from now will have lived from one square to the next. (Andrew Shields, #111words, 22 November 2022)

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