Tuesday, May 24, 2022
May 24, 2022

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Letter: Interesting numbers, by George


George Washington (Feb. 22, 1732 — Dec. 14, 1799) was an American soldier, statesman and Founding Father who served as the first president of the United States from 1789 to 1797.

Dec. 14, 2021, marked the 222nd anniversary of Washington’s death. Coincidentally, 222 is his birthdate, Feb. 22 (2/22).

Moreover, half of 222 equals 111, and twice the 111th prime number, namely 607, yields 1214 — that is, Dec. 14 (12/14).

Furthermore, the reverse of 2021, namely 1202, equals 2 x 601, and 2 and 601 are the first and 110th prime numbers. Interestingly, 1 and 110 added up results in 111, and again, twice 111 equals 222.

Additionally, if 12142021 is split as 12, 14, 20 and 21, the sum of these numbers equals 67, the age at which Washington died.

Washington’s 290th birthday next year, expressed as 2/22/22, will be a special five-digit palindrome date. Note that the date 2/22/22 repeats every century.

Also, his 290th birthday written in full as 02/22/2022 is interesting, because its left half and right half are made of the same digits in different order.

Washington’s 488th birthday in 2220, written as 02/22/2220, will be an eight-digit palindrome date.

Lastly, Washington’s 490th birthday, expressed as 2/22/2222, will be a very rare seven-digit palindrome date.

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