- What is the most beautiful number?
- Why is 6174 a magic number?
- Is there a 666 in pi?
- Who invented 6174?
- What is the most unique number?
- What is the hardest 4 digit code?
- What is the smallest number?
- What is the mystery number?
- Does the number 0 exist?
- What is the rarest number?
- What if zero was not invented?
- What’s the most famous number?
- What is a sad number?
- Who invented 1?

## What is the most beautiful number?

The Golden Ratio (phi = φ) is often called The Most Beautiful Number In The Universe.0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144…89/55 = 1.618.144/89 = 1.618.233/144 = 1.618.377/233 = 1.618.610/377 = 1.618.987/610 = 1.618.More items….

## Why is 6174 a magic number?

6174 is known as Kaprekar’s constant after the Indian mathematician D. R. Kaprekar. This number is notable for the following rule: … Arrange the digits in descending and then in ascending order to get two four-digit numbers, adding leading zeros if necessary.

## Is there a 666 in pi?

666 = 16 – 26 + 36. It is also equal to the sum of its digits plus the cubes of its digits: … The sum of the first 144 (= (6+6)·(6+6)) digits of pi is 666.

## Who invented 6174?

Kaprekar’s6174 is known as Kaprekar’s constant as it was invented by Indian mathematician DR Kaprekar in 1949. For example, lets take the number 5432.

## What is the most unique number?

Therefore the number 6174 is the only number unchanged by Kaprekar’s operation — our mysterious number is unique.

## What is the hardest 4 digit code?

All 10.000 are equally hard assuming you pick one at random. 1111 is mathematically no easier to guess than 3861. Since humans have a tendency to prefer patterns, picking a sequence that isn’t a commonly used pattern is likely better though.

## What is the smallest number?

00 is the smallest whole number.

## What is the mystery number?

A mystery number is that number which can be expressed as sum of two numbers and those two numbers should be reverse of each other.

## Does the number 0 exist?

0 (zero) is a number, and the numerical digit used to represent that number in numerals. It fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, 0 is used as a placeholder in place value systems.

## What is the rarest number?

Other examples of rare numbers are 65, 621770, 281089082, 2022652202, 868591084757, 872546974178 … (Sequence A035519 of OEIS)….Rare numbers.TitleRare numbersAuthorKausthub (26471)Entry typeDefinitionClassificationmsc 11A25DefinesNumbers when added or subtracted to its reverse gives a perfect square6 more rows•Mar 22, 2013

## What if zero was not invented?

Without zero, modern electronics wouldn’t exist. Without zero, there’s no calculus, which means no modern engineering or automation. Without zero, much of our modern world literally falls apart.

## What’s the most famous number?

Try these out for size!911 is most recognizable as the number to call for emergencies. … 7 is the number most commonly designated as people’s favorite. … 73 is Sheldon Cooper’s favorite number (on the TV show The Big Bang Theory). … 10 is most famous because it’s usually the number of items on “top” or “most” lists!More items…

## What is a sad number?

The numbers for which the process of summing up of the squares of its digits ends in 1 are happy numbers. On the other hand, numbers that don’t end in 1 are called unhappy or sad numbers. … Here, the number 36 loops endlessly in a cycle which doesn’t end in 1. Therefore 36 is an unhappy or sad number.

## Who invented 1?

Hindu-Arabic numerals, set of 10 symbols—1, 2, 3, 4, 5, 6, 7, 8, 9, 0—that represent numbers in the decimal number system. They originated in India in the 6th or 7th century and were introduced to Europe through the writings of Middle Eastern mathematicians, especially al-Khwarizmi and al-Kindi, about the 12th century.