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Fact of The Day

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The “Four” is the only number whose number of letters in the name equals the number. 

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No number before 1,000 contains the letter A 

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Different names for the number 0 include zero, nought, naught, nil, zilch and zip.

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The word “hundred” comes from the old Norse term, “hundrath”, which actually means 120 and not 100. 

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“Forty” is the only number that is spelled with letters arranged in alphabetical order.

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Most mathematical symbols weren’t invented until the 16th century. Before that, equations were written in words. 

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one” is the only number that is spelled with letters arranged in descending order. 

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Every odd number has an “e” in it. 

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Zero is not represented in Roman numerals. 

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The symbol for division (i.e.÷) is called an obelus. 

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A year isn’t exactly 365 days — it’s 365.2564 days! That’s why we have a leap year every four years. 

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What comes after a million, billion, and trillion? A quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion, and undecillion 

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An icosagon is a shape with 20 sides 

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Among all shapes with the same perimeter a circle has the largest area. 

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Here is an interesting trick to check the divisibility of any number by number 3.A number is divisible by three if the sum of its digits is divisible by three (3) 

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Do you know the magic of no. nine (9)? Multiply any number with nine (9 ) and then sum all individual digits of the result (product) to make it single digit, the sum of all these individual digits would always be nine (9). 

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If you add up the numbers 1-100 consecutively (1+2+3+4+5…) the total is 5050 

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Have you heard about a Palindrome Number? It is a number that reads the same backward and forward, e.g. 12421 

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Have you heard about Fibonacci? It is the sequence of numbers wherein a number is a result of adding the two numbers before it! Here is an example: 1, 1, 2, 3, 5, 8, 13, 21, 34, and so on 

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A very interesting thing about math is how crazy it gets with its function. For instance, if you multiply 111,111,111 by 111,111,111, this becomes equal to 12,345,678,987,654,321. 

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Another mind-boggling application of maths comes in when the number 1 is divided by 998,001. The answer would give you a complete sequence from 000 to 999 in order. Don’t agree with us? Go ahead and try it, and be ready to waste one entire notebook! 

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To find out the volume of the cylindrical shape of the pizza, the formula used is Pi x r2 x h. So, if an ordinary pizza has a radius of ‘z’ and height ‘a’, its volume is Pi x z x z x a which makes up ‘pizza’. 

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The number 9 is believed to be a magical number with certain very interesting properties. This is because if you multiply a number with 9, and add all the digits of the resulting number, the sum would always come out to be 9. 

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When two even numbers are added, the result obtained is always an even number. 

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If the value of π is entered up to two decimals in calculator say 3.14, and look it in the mirror then it looks like the word ‘PIE 

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7 is arithmetically unique as it is the only single number that cannot be multiplied or divided while keeping the answer between the group 1 to 10 

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2 is an even number which is the only prime number 

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As per mathematicians, there are 177147 ways in which we can tie a tie  

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Value of π was calculated up to 707 decimal places by William Shanks, however, he made a mistake in the 528th digit 

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Graph theory was invented by Leonhard Euler while finding way to cross every single one of the seven bridges of Königsberg exactly once, which later he found to be impossible. 

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Pythagoreans used little rocks to represent equations. Do you know, the meaning of the word calculus in ancient Greek is pebbles?

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The addition of numbers present on the opposite side of the dice is always seven 

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Number 7 has various connections – 7 wonders of the world, 7 seas, 7 pillars of wisdom, 7 days, 7 colors of rainbows

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The infinity symbol was used to represent 1000 by Romans. 

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The easiest way to remember the value of Pi (3.1415926) is by counting each word’s letter in ‘May I have a large container of coffee. 

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It should take no more than 20 moves to solve a Rubiks cube no matter which of the 43 quintillion possible starting positions you begin with.

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18 is the only number that is twice the sum of its digits. 

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2520 is the smallest number that is divisible by 1,2,3,4,5,6,7,8,9 and 10. 

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The words ‘ace, two, three, four, five, six, seven, eight, nine, ten, jack, queen, king’ contain 52 letters. There are 52 cards in a pack (excluding jokers). 

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The mathematical name for # (number sign) is octothorpe. 

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Using only addition, you can add 8’s to get the number 1,000 by: 

888+88+8+8+8=1,000. 

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May 20, 1873, is the “birthday” of blue jeans 

Do you know how?  As on that day that Levi Strauss and Jacob Davis got a U.S. patent on the process of putting rivets in men’s work pants for the very first time. I bet you didn’t know that. 

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Only a quarter of the Sahara Desert is sandy 

This desert also has several other land features, including salt flats, gravel plains, plateaus, and even mountains where snow has been recorded. 

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The first commercial passenger flight lasted only 23 minutes 

Petersburg-Tampa Airboat Line began flying across Tampa Bay. The flight covered 29 kilometers and took 23 minutes which was 11 hours less than traveling between St. Petersburg and Tampa by rail. 

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The world’s first novel ends mid-sentence 

The Tale of Genji, written by Murasaki Shikibu in the 11th century, is considered the world’s first novel. After reading 54 intricately crafted chapters, the reader is stopped mid-sentence abruptly. One translator believes the work is complete, but another says we’re missing a few more pages of the story.

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The # symbol isn’t officially called hashtag or pound 

it isn’t the “number sign” or the “pound sign,” as it was called back in the #DarkAges before Twitter. 

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The world’s oldest toy is a stick 

Wondering how? 

Animals play with sticks. The human also uses them to play fetch with our dogs. Children find sticks an unlimited source of make-believe fun. You can also turn sticks into swords, magic wands, majorette batons, fishing poles, and lightsabers. 

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There’s only one letter that doesn’t appear in any U.S. state name 

The letter that doesn’t appear in any of the US state names is Q! Not much surprising as it is rarely used alphabet but still something interesting and new to know.  

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Months that begin on a Sunday will always have a “Friday on the 13th”

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Cotton candy was invented by a dentist

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Turning your left cheek towards the camera makes you more attractive. The artist believes that people tend to be more interested in left side views as they usually express more emotion with their left cheek than right.  

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The reason you wake up before you die in a dream is that the brain doesn’t know what comes after death. 

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A study found that two hours of silence per day prompts cell development in the hippocampus region of the brain where the memories are formed.

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When a person dies, they have seven minutes of brain activity left. It is the mind playing back persons memory in a dream sequence.

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Scientists concluded that the chicken came first not the egg, as the protein which makes eggshells is only produced by hens.

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There is a type of music called binaural beats, that can make you high and trigger special dreams.  

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Talking to your mother has an effect and that can help to reduce stress levels. The sound of her voice releases oxytocin, which is the best stress reliever. 

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The longest place name in the world is 85 letters long. Taumatawhakatangi¬hangakoauauotamatea-turipukakapikimaunga¬horonukupokaiwhen¬uakitanatahu is in New Zealand  

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The electric chair was invented by a dentist. 

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Why People say, ‘Bless You’ when you sneeze because when you sneeze, your heart stops for a millisecond. 

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The Eiffel Tower can grow more than six inches during the summer 

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Most Disney characters wear gloves to keep animation simple 

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The first product to have a barcode was Wrigley’gum

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Sleeping burns more calories than watching tv. 

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The word “AND” appears 46,277 times in the bible. 

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Carrots were not always orange, they were once exclusively purple.  

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German Chocolate Cake is not from Germany. German is the last name of the man who invented a kind of baking chocolate (Sam German).  

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Scientists say that the best time to take a nap is between 1 p.m. and 2:30 p.m. because that’s when a dip in body temperature makes us feel sleepy. 

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The tv remote is the dirtiest item in a typical household, hospital, or hotel room

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Airplane food is not tasty as our sense of smell and taste decrease by 20% to 50 % while flying. 

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You cannot breathe and swallow at the same time. 

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The “Four” is the only number whose number of letters in the name equals the number. 

Tel Guru
Tel Guru

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