Math Trivias

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Tabaco National High School
Tabaco City

MATHEMATICAL
TRIVIAS

Kim Patrick Barcenas
II-MendelMrs. Sylvia Bo-Sariola
Math Teacher
When 111 111 111 is multiplied
by 111 111 111 it is
equal to 12345678 9 87654321

You can remember the value of PI (3.1415926) by counting each word’s letters in “May I have a large container of coffee?”

21978 when multiplied by 4 is the same number with digits in reverse order...
21978 x 4 = 87912

If you add up numbers 1-1000 consecutively (1+2+3+4+5…) the total is 5050.

From 0 to 1000, the letter “A” only appears in 1000 (“one thousand”).

The billionth digit/number of Pi is 9.

The digits to the right of the Pi’s (3.141…) decimal point can keep going forever, and there is no pattern to these digits at all.

The largest known prime number (so far) is 12,978,189 digits long.

40 when written “forty” is the only number with letters in alphabetical order, while “one” is the only one with letters in reverse order.

The Fibonacci sequences are numbers where each following number is the sum of the previous two: 0 1 1 2 3 5 8 13 21 34 55 89 …

A Palindrome Number is a number that reads the same backwards and forward, e.g. 13431

142857 is a cyclic number, i.e., it’s digits are rotated around when multiplied by any number from 1 – 6. 142857 x 1 = 142857
142857 x 5 = 7 14285
142857 x 4 = 57 1428
142857 x 6 = 857 142
142857 x 2 = 2857 14
142857 x 3 = 42857 1

If each count were a second long, it would take about 12 days to count to a million and about 32 years to count to a billion.

Multiply your age by 7 now multiply that product by 1443. What do you get? Your age repeats 3 times.

The mathematical name for the division sign is called OBELUS.

Did you know that Giga stands for a Billion?

Googol is the term used for the number followed by 100 zeros and was first used by a nine-year old, Milton Sirottain 1940!
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