Wednesday, July 14, 2010

344

344 = 23 x 43.


344 is the maximum number of regions into which 19 circles divide the plane.

The sum of the squares and the sum of the cubes of the factors of 344 are both primes: 22 + 22 + 22 + 432 = 1861 and 23 + 23 + 23 + 433 = 79531.

In the year 344 B.C., the Greek philosopher Aristotle traveled from the town of Assos to the island of Lesbos to study natural history.

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1 comment:

Anonymous said...

Otras propiedades del 344:
344=2^8+88
344 divide a 85^2-1
344^2+29583^2=29585^2
344=8(2*8^2+1)/3=2^3*43
http://www.archimedes.lab.org/numbers
344=19^2-17=31^2-617 primos
344=1^2+7^3=11^2+223 primos
Rafael Parra de Barcelona

July 14, 2010 at 1:10 PM

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