7 is a prime (the 4th prime) |
999,999/7 = 142,857. Any fraction consisting of an integer divided by 7 will have a repeating decimal consisting of those digits in that order starting at a different, determinable digit unless the numerator is an even multiple of 999,999 or 7. For example, 1/7 = 0.142857142857..., 2/7 = 0.285714285714..., 3/7 = 0.42857142857.... |
The short-cut is to multiply 0.142857 by the remainder of the long division, and then repeat that decimal component. Thus, the fractional part of 11/7 is 4/7 = 4 x 0.148257 repeated, generating 0.571428571428571428 etc. |
This arithmetic oddity was something of a pain for accountants in days of yore because the shortest depreciable life to generate the maximum investment tax credit was 7 years. As a result, 7 was a very popular useful life and the computation of 150% and 200% declining balance depreciation would involve using a rate of either 1.5 x 1/7 or 2 x 1/7. |
7 is the most likely result from rolling 2 regular 6 sided dice. |
7 is neutral pH |
7 is Nitrogen |
Old No. 7 is |
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YouTube VideoThere are 7 days in a week, 7 colors in the rainbow, 7 seas, 7 continents, 7 Wonders of the ancient world, 7 Dwarves, Rome's 7 hills, the Plieades, and
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YouTube VideoAnd the magnificent Lotus 7 & super 7.
fine short
Seven is and has been a magik and magikal number in a lot of cultures and religions. I'm just going to take a pass on all of it.
The sole exception is that the Seventh Son is present throughout the US blues and folk genres.
7 BCE was the Year of the Consulship of Nero and Piso (Tiberius Claudius Nero and Gnaeus Calpurnius Piso) and the death of Emperor Cheng of Han and his royal consort Zhao Hede.
7 CE was the Year of the Consulship of Metellus and Nerva. Caesar Augustus was emperor and appointed Publius Quinctilius Varus (yep, that Varus) governor of Germania. Varus almost immediately created a lot of dissension among the various and sundry German tribes, just as he had pissed off the residents of Syria and Judea when stationed in those outposts. This would bite him in the ass in 9 CE at the Battle of the Teutoburg Forest where some of said German tribes annihilated him and his 3 legions. The Romans did, much later, recover their 3 "Eagles", but never again had a 17th, 18th or 19th legion.
On this date in
1876 Alexander Graham Bell got a patent for the telephone
1900 The SS Kaiser Wilhelm der Grosse sent the first ever ship-to-shore radio signals
1965 600 civil rights marchers were brutally attacked by cops in Selma, Alabama
1985 We Are The World was released
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Born this day in |
1671 | Rob Roy, a Scottish outlaw/revolutionary & mixed drink |
1792 | John Herschel, a mathematician and astronomer |
1849 | Luther Burbank, a botanist and author who never lived in Burbank, CA but who knew Yogananda |
1872 | Piet Mondrian, a painter |
1875 |
Maurice Ravel, a pianist & composer |
1943 |
Chris White, a bass player and songwriter (The Zombies)
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1944 | Townes van-Zandt, a guitarist, singer, & songwriter |
1945 |
Arthur Lee, a guitarist, singer, songwriter and producer (Love) |
1946 |
Matthew Fisher, a singer, songwriter, keyboard player & Producer (Procol Harum) |
1946 |
Peter Wolf, a singer & songwriter (The J. Geils Band) |
1951 |
Rocco Prestia a base player (Tower of Power) |
1952 |
Ernie Isley, a guitarist & songwriter (The Isley Brothers) |
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Died this day in |
1810 | Cuthbert Collingwood, a British admiral, ran with Lord Nelson |
1942 | Lucy Parsons, an activist & wobbly |
1952 | Paramahansa Yogananda, ayogi, guru, philosopher and author (Autobiography of a Yogi). Founded the self-realization fellowship in Encinitas, CA. Knew Luther Burbank. |
1967 | Alicd B. Toklas, a famous dope fiend |
1971 |
Harold McNair, a saxophonist & flautist. Donovan session player.
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1988 |
Divine, a drag queen, actor, & singer |
1999 | Stanley Kubrick, a guy who made movies |
2006 |
Ali Farka Toure, a singer and multi-instrumentalist from Mali, who played great music and played with many other greats |
2007 |
Ronnie Wells, jazz singer and instructor |
2012 |
Big Walter Price, a blues pianist, singer, & songwriter |
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Holidays, Holy Days, Feasts, Observances and such |
And today’s music folks of note:
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YouTube VideoAli Farka Toure & Ry Cooder - Bonde |
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YouTube VideoAli Farka Toure- African Blues- Petenere |
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YouTube VideoAli Farka Toure- The River- Ai Bine |
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YouTube VideoOK, it is an open thread, so go for it
Crossposted from Caucus 99%