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Count to a million (/thread-815.html)RE: Count to a million - xnadvance - 06-08-2011
year 253 Period of the Thirty Tyrants in the Roman empire.
RE: Count to a million - Samven - 06-08-2011
254, a Texas telephone area code according to Wikipedia.
RE: Count to a million - xnadvance - 06-08-2011
year 255- Ma Jun, a Chinese mechanical engineer from Cao Wei, invents the South Pointing Chariot, a path-finding directional compass vehicle that uses a differential gear, not magnetics.
RE: Count to a million - Pherione - 06-08-2011
http://256.com/256.html
RE: Count to a million - xnadvance - 06-08-2011
257 is called a sexy prime.
Since 257 + 2 = 259, a semiprime, 257 is a Chen prime. It is also an Eisenstein prime with no imaginary part, and a Pierpont prime.
RE: Count to a million - Samven - 06-09-2011
258. Two-hundred and eight. It's an anagram of "eight-hundred and two".
; D
RE: Count to a million - xnadvance - 06-09-2011
two fifty nine
RE: Count to a million - MetalRenard - 06-09-2011
260BC: Birth year of Zheng, who will later become the First Emperor of China (in 210 BC)
RE: Count to a million - xnadvance - 06-09-2011
![[Image: 150px-Tesseract2.svg.png]](http://upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Tesseract2.svg/150px-Tesseract2.svg.png)
The tesseract can be unfolded into eight cubes, just as the cube can be unfolded into six squares (view animation). An unfolding of a polytope is called a net. There are 261 distinct nets of the tesseract. The unfoldings of the tesseract can be counted by mapping the nets to paired trees (a tree together with a perfect matching in its complement).
RE: Count to a million - Samven - 06-11-2011
One hundred times two, plus seventy-four, minus twelve equals 262. :D