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What is last sequential date of 21st century?

Is December 13 the last day of the 21st century?

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What was the first sum day?

2. ### A) What is the last sum-day of the 21st century? B) How many ...

specialties.bayt.com › en › specialties

a the last sum day of the21st century is december31 2043 because12 31 43 and both the month and day are as big as possible b the correct answer is365

3. ### Question of the day: Sum Days

www.questionotd.com › 2006 › 09

A) The last sum-day of the 21st century is December 31, 2043, because 12+31=43, and both the month and day are as big as possible. B) This one is much easier than you might think. The correct answer is 365, because every day in a standard (non-leap) year is part of a sum-day for some year.

4. ### Braingle » 'Sum-day Soon' Brain Teaser

www.braingle.com › brainteasers › 32809

B) How many sum-days are there in the 21st century? Answer A) The last sum-day of the 21st century is December 31, 2043, because 12+31=43, and both the month and day are as big as possible.

5. ### 11-13-15 last consecutive odd number date of 21st Century | KVAL

kval.com › news › offbeat

Nov 13, 2015 · (November 13, 2015) Today, Friday, November 13, 2015 expressed as 11/13/15 is a sequential calendar date consisting of three consecutive odd numbers. 11/13/15 is the last one of its kind to occur...

6. ### Timeline of the 21st century - Wikipedia

en.wikipedia.org › wiki › Timeline_of_the_21st_century

The last Volkswagen Beetle is made in Mexico, after 65 years in production. The first six-party talks , involving South and North Korea , the United States , China , Japan and Russia . Final flight of the SST (Supersonic Transport) Concorde .

7. ### After 12/13/14, What Are the Next Fun Dates for Math Lovers ...

www.smithsonianmag.com › science-nature › last

Dec 11, 2014 · For those of us in the United States, December 13 is auspicious because it will be the last sequential date of the 21st century: 12/13/14. The next such numerical alignment won't roll around for...

8. ### Palindrome Dates in the 21st Century | Live Science

www.livescience.com › 33583-palindrome-dates-21st

May 30, 2035 (5302035)29. June 30, 2036 (6302036)30. July 30, 2037 (7302037)31. August 30, 2038 (8302038)32. September 30, 2039 (9302039) (Last seven-digit palindrom date in the 21st century)33.

9. ### List of decades, centuries, and millennia - Wikipedia

en.wikipedia.org › wiki › List_of_centuries

Century Decades 10th millennium BC ... 21st century BC: 2nd millennium BC · 2000–1001 BC 20th century BC: ... This page was last edited on 29 April 2021, at 07:43 ...

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