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The billionth digit

of Pi (3.1415 ...)

is 9.

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What is the correct

mathematical

name of thedivision bar in a

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fraction? Theanswer is

!"#$%$&.

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The val'eof

ero

was rst

'sed b* the

ancient !ndian

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mathematician

+r*abhata.

+

Palindrome

Number

is a

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n'mber thatreads the same

bac,wards and

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forward-e.g.13431.

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TheFibonacci

sequence

are n'mbers

where each following

n'mber is the s'm of the

revio's two/

0 1 1 3 5 2 13 1 34 55

29 ...

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is called the

oddestvenPrimen'mb

er. is a 'ni6'e ven

Prime beca'se while all

vens are divisible b* -an* n'mber aart from

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that is divisible b* - is not

a Prime.