Mathematics Facts & Trivia
17 689 = 1332
177 6889 = 13332
1777 68889 = 133332
17777 688889 = 1333332
177777 6888889 = 13333332
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Sciensational.comSubmitted by: Laxmana Perumal - Nagercoil, India
0 1 1 2 3 5 8 13 21 34 55 89 ...Sciensational.comSubmitted by: Matt - California, United States A Palindrome Number is a number that reads the same backwards and forward, e.g. 13431. Submitted by: Yusuf - Victoria, Australia A dollar can be made into small change in 293 ways. Sciensational.com
Multiplication and succession:
1 × 8 + 1 = 9
12 × 8 + 2 = 98
123 × 8 + 3 = 987
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and so on. Sciensational.comSubmitted by: Moi, Canada.
142857 is a cyclic number, i.e., its digits are rotated around when multiplied by any number from 1 to 6. Like this:
142857 × 1 = 142857
142857 × 5 = 7 14285
142857 × 4 = 57 1428
142857 × 6 = 857 142
142857 × 2 = 2857 14
142857 × 3 = 42857 1
Sciensational.comSubmitted by: Moi, Canada.
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1089 multiplied by 9 gives an exact reverse: 9801. Sciensational.com From 0 to 1000, the letter "A" only appears in 1000 ("one thousand"). Submitted by: Ramil Argete 2 is called the "oddest" Even-Prime number. 2 is a unique Even-Prime because while all Evens are divisible by 2, any number apart from 2 that is divisible by 2, is not a Prime. Sciensational.com
1 × 9 + 2 = 11
12 × 9 + 3 = 111
123 × 9 + 4 = 1111
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... and so on. Sciensational.comSubmitted by: Rob
40 when written "forty" is the only number with letters in alphabetical order, while "one" is the only one with letters in reverse order. Submitted by: Rob
1 googol = 10100
1 googolplex = 10googol = 1010100
(The "Google" website name was inspired by "Googol".) Sciensational.com
111 111 111 × 111 111 111
=
12345678 9 87654321
Pi (3.14159...) is a number that cannot be written as a fraction. Sciensational.comSubmitted by: Tiff - Witherbee, United States
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The implicit curve equation
The term Googol (
The Reuleaux Triangle is a shape of constant width other than a circle.
You can remember the value of Pi (
The opposite sides of a dice cube always add up to seven.