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679 AD Dagobert II, King of the Franks, is murdered (officially, it was a hunting accident, yes the deer fight back some times!)

680 AM... WCNN... the AM radio home of the Atlanta Braves. (It's a baseball team for all your euros...)

681 the lowest semiprime centred penatagonal number that has a factor that is not a supersingular prime.

682 - shout out to our Texan friends with area code 682, hope you are okay and staying warm!

683 the lowest Wagstaff prime that is the sum of 5 consecutive primes

684 AD Halley's comet pays Earth a visit.
(we are to see the comet returning in the summer of 2061, it is now about the farthest from the earth)

Not only is 685 the country code for Samoa... but slang for Samoans about themselves is "685s." As in, We proud, we few, we brave 685's have elected a new leader."

686 AD King Cædwalla of Wessex establishes overlordship over Essex and invades Kent for a second time. King Eadric is expelled, and Cædwalla's brother Mul is installed in his place. The sub-kings Berthun and Andhun are killed, and Sussex is subjugated by the West Saxons. Cædwalla conquers Surrey and exterminates the Jutes of the Isle of Wight. He executes King Arwald and his two brothers. (what a merciful man!)

Form I-687, Application for Status as a Temporary Resident Under Section 245A of the Immigration and Nationality Act.

688

The lowest (decimal) Friedman number of the form (2^N)*P where N is an integer > 0 and P is prime.

A cube with a volume of 689 cubic inches would be around 0.7 feet tall.

690 Law 690/1945 (one of the first of the just liberated from the Nazis Greece) deals with the penalties to those who are not paying their employees on time.

691: Is a prime number and would take roughly five minutes to count to from 1.

692... only eight numberings from the next socially-approved BIG number.

Ok.. that was weak.

693 ΑD Paul the III Patriarch of Constantinople dies after 5 years on the throne. Some revere him as a saint (it is not clear if the one mentioned on August 30th is him or the one by the same name who was patriarch about a century later as Paul the IV).

694

The lowest centred triangular number which has a factor that is a Friedman number. (2×347 , 347 being Friedman).

dargorygel wrote: ↑

Thu Mar 04, 2021 1:23 pm

692... only eight numberings from the next socially-approved BIG number.

Ok.. that was weak.

Yes it was.

And 691 was silly.

And 689 trivial.

695 ΑD King Clovis the IV of Franks dies at the age of 17 and only after four years on the throne (unlucky fellow).

696 is a funny number. Same character keeps turning 180°

697 AD Paolo Lucio Anafesto is elected the first Doge of Venice, starting a line of Doges that will keep going for 1100 years until Napoleon will abolish the Venetian Republic in 1797.