# 15 Amazing facts About Math Will Surprise You

You may have like or dislikes for mathematics. But here are some interesting facts about mathematics; you will be surprised to know. Let us scroll through the information and know some interesting facts:-

• All odd number has “e” letter in it.
• “0” is not considered in Roman numeric.
• The word hundred derived from the ancient Norse term, “hundred,” which means 120, not 100.
• “Four” is the sole number in English with the same number of letters as the number itself.
• Forty is the sole number that has sequential alphabet order.
• A ‘jiffy’ is a real unit of time. It indicates 1/100th of a second
• Americans address mathematics “math” because they point out that mathematics is a singular noun; similarly, math should also be singular.
• Several mathematical signs were not invented until the 16th century. Prior to that, equations were expressed in words.
• One” is the only number that has an English letter in descending order.
• The symbol is called a 5, and 2 are the only prime number in 5 or 2.
• -40 °F is equal to -40 °C
• The division sign (i.e.÷)is also known as obelus.
• There are 13 letters in both “twelve plus one” and “eleven plus two,” and their result is also 13.
• The pie chart is often called “camembert” in France.
• The only number that starts with the letter “a” from 0 to 1000 is “one thousand” itself.