The spiral shapes of sunflowers and other patterns in nature follow a Fibonacci sequence, where adding the two preceding numbers in the sequence gives you the next (1, 1, 2, 3, 5, 8, etc.)
There ae 43 252 003 274 489 856 000 ways to scramble a Rubik ‘ s Cube.
Most mathematical symbols weren’t invented until the 16th century. Before that, equations were written in words.
Zero Is the Only Number That Can’t Be Represented In Roman Numerals.
If you shuffle a deck of cards properly, it´s more than likely that the exact order of the cards you get has never been seen before in the whole history of the universe.
If you multiply 111,111,111 × 111,111,111 you get 12,345,678,987,654,321 – a palindrome number that reads the same forwards or backwards. And that works all the way back down to 11 x 11 (121) or just 1 x 1 (1).
If there are 23 people in a room, there is amore than 50% chance that two people have the same birthday.
A year isn’t exactly 365 days – it’s 365.2564 days. That’s why we have a leap year every four years.
“Forty” is the only number that is spelled with letters arranged in alphabetical order.
Tesseract is a 4-dimensional analogue of a cube.
“Eleven plus two” is an anagram of “twelve plus one” which is pretty fitting as the answer to both equations is 13.
If you multiply Pi multiplied by the radius squared to find the area and multiply area by height to find the volume, then the volume of a pizza that has a nominal radius of (z) and height (a) will, of course, be: Pi × z × z × a.
2 and 5 are the only primes that end in 2 or 5.
A baseball diamond is a perfect rhombus. A rhombus is a parallelogram with opposite equal acute angles, opposite equal obtuse angles and four equal sides.
From 0 to 1 000, the only number that has the letter “a” in it is “one thousand”.
Prime numbers help Cicadas survive. By cycling at a large prime number, cicadas minimize the change that some bird or other predator can make a living off them.
Astronomer and television personality estimated that writing a googolplex in full decimal form would be physically impossible, since doing so would require more space than is available in the know universe.
2,520 is the smallest number that can be exactly divided by all the numbers 1 to 10.
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