Mathematics is full of intriguing facts. Some of them can be encountered in everyday life, like the absence of a 13th floor in hotels. Other mathematical curiosities have sparked debates among scientists. Here are some interesting math facts shared by online math tutors from the Mathema platform.<\/p>\n\n\n\n
The Romans used mathematics for simple calculations, so their numeral system has no zero. They understood the concept of “nothing” but didn’t need a separate notation for it. In more complex calculations where numbers like 2.05 appear, zero is necessary, which is why Roman numerals aren’t used.<\/p>\n\n\n\n
Archaeologists have discovered animal bones with markings resembling counts, suggesting that the first mathematical records date back to 30,000 BCE. At that time, people were still leading a nomadic lifestyle.<\/p>\n\n\n\n
A deck of 52 cards has 52! (factorial) possible arrangements, which is an enormous number written as 8 followed by 67 zeros. Each time you shuffle a deck, you’re likely creating a sequence that has never existed in the universe before.<\/p>\n\n\n\n
Most people don’t know the names of the large numbers that come after a billion. Here they are:<\/p>\n\n\n\n
The name Google is a misspelling of the mathematical term “googol,” which means a one followed by 100 zeros.<\/p>\n\n\n\n
Pi is an infinite, irrational number representing the ratio of a circle’s circumference to its diameter. People compete in memorizing the digits of Pi. The current world record is held by Rajveer Meena, who recited 67,890 decimal places in 2015.<\/p>\n\n\n\n
The Japanese puzzle Sudoku, which involves filling rows and columns with numbers from 1 to 9, has an astronomical number of variations. Mathematicians have calculated there are 6,670,903,752,021,072,936,960 ways to fill a Sudoku grid\u2014over 6 sextillion variations.<\/p>\n\n\n\n