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111,111,111 multiplied by 111,111,111 equals 12,345,678,987,654,321
first one-hundred digits of pie are:
Birthday? You’re not so unique – in fact you share your birthday with
at least other nine million people.
are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves
in a chess game.
If you counted 24 hours a day, it would
over 30,000 years to reach one trillion!
speed of a typical raindrop is 7 miles per hour.
The maximum G-force
that a human being can withstand is approximately plus or minus 9g.
At these extremes the force involved makes blood flow to the feet, and a
person such as a pilot will experience a grey-out (where she/he is unable
to discern colours), or a temporary blackout. If a plane is upside down,
increased blood flow to the brain may cause a red-out, where the vision is
replaced by a red screen. If you ride on the 'rollercoaster' Oblivion at
Alton Towers you will experience 4.5g
It takes 8.5 minutes for light to get from the sun to earth.
142857 is a cyclic number, the numbers of which always appear in the same order but rotated around when multiplied by any number from 1 to 6. 142857 * 2 = 285714 142857 * 3 = 428571 142857 * 4 = 571428 142857 * 5 = 714285 142857 * 6 = 857142
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