Today we celebrate a Permutation Day! I call days like today permutation days because the digits of the day and the month can be rearranged to form the year, as seen in the above animation.
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Appreciation Numbers
02/21/2021 — Happy Permutation Day!
Today we celebrate a Permutation Day! I call days like today permutation days because the digits of the day and the month can be rearranged to form the year, as seen in the above animation. Today can also be considered simply a Transposition Day, as only a single transposition, or exchange of two numbers, suffices.
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Appreciation Numbers
02/12/2021 — Happy Permutation Day!
Today we celebrate a Permutation Day! I call days like today permutation days because the digits of the day and the month can be rearranged to form the year, as seen in the above animation.
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Appreciation Numbers
01/22/2021 — Happy Permutation Day!
Today we celebrate a Permutation Day! I call days like today permutation days because the digits of the day and the month can be rearranged to form the year, as seen in the above animation.
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02/20/2020 — Happy Permutation Day!
Today we celebrate a Permutation Day! I call days like today permutation days because the digits of the day and the month can be rearranged to form the year.
And while the date may not be as exciting as the rotationally symmetric 02/02/2020, there is something interesting about today’s day: It’s the only permutation day this year! So enjoy it by switching things up today.