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# What Is Magic Number In Maths?

## What Is Magic Number In Maths?

It is 1729. Discovered by mathemagician Srinivas Ramanujan, 1729 is said to be the magic number because it is the sole number which can be expressed as the sum of the cubes of two different sets of numbers.

Srinivas Ramanujan
A deeply religious Hindu, Ramanujan credited his substantial mathematical capacities to divinity, and said the mathematical knowledge he displayed was revealed to him by his family goddess Namagiri Thayar. He once said, “An equation for me has no meaning unless it expresses a thought of God.”
https://en.wikipedia.org › wiki › Srinivasa_Ramanujan

, 1729 is said to be the magic number because it is the sole number which can be expressed as the sum of the cubes of two different sets of numbers.Sep 14, 2003

## What is magic number example?

Magic Number in Mathematics

If the single digit is 1 then the number is called a magic number. … For example, 325 is a magic number because the sum of its digits (3+2+5) is 10, and again sum up the resultant (1+0), we get a single digit (1) as the result. Hence, the number 325 is a magic number.

## How do you find the magic number in math?

A magic square is a grid containing the numbers 1, 2, 3, and so on, where each row, column and diagonal add up to the same number. An example is shown below, you will see that each row, column and diagonal add up to 34. This number 34 is the “magic number” of the magic square.

## Which number is magic number?

magic number, in physics, in the shell models of both atomic and nuclear structure, any of a series of numbers that connote stable structure. The magic numbers for atoms are 2, 10, 18, 36, 54, and 86, corresponding to the total number of electrons in filled electron shells.

## 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.

## Why is 9 a magic number?

The number 9 is revered in Hinduism and considered a complete, perfected and divine number because it represents the end of a cycle in the decimal system, which originated from the Indian subcontinent as early as 3000 BC. … In the Christian angelic hierarchy there are 9 choirs of angels.

## Is 7 a magic number?

Examining a new model detailing the recall of information within the human brain. This limit, which psychologists dubbed the “magical number seven” when they discovered it in the 1950s, is the typical capacity of what’s called the brain’s working memory. …

## Why is 1089 a magic number?

1089 is widely used in magic tricks because it can be “produced” from any two three-digit numbers. This allows it to be used as the basis for a Magician’s Choice. … Take any three-digit number where the first and last digits differ by more than 1.

## Why is 4 the magic number?

It is called four is the cosmic number because you can make any number lead back to four. Four is the only number that has the same number of letters in it as the value of that number. … First count the number of letters in the number seven – there are five letters in seven.

## How do you make a magic number?

Trick 1: Think of a number
1. Pick a whole number between 1 and 10.
3. Multiply by 2.
4. Subtract 2.
5. Divide by 2.
7. Everyone’s final answer will be 1.

## Why is 8 a magic number?

Number 8 is a source of power and strength which is often mistakenly linked to money. … The power and strength associated with number 8 are said to be feminine energy which can give you the strength to achieve your life’s goals.

## What is a magic square in math?

A magic square is a grid of numbers for which every line, column and diagonal adds up to the same number. For example: 4 9 2.

## Is 6 a magic number?

Six is the magic number because it divides into pairs, and into the original magic number of three.

## Who invented zero?

The first modern equivalent of numeral zero comes from a Hindu astronomer and mathematician Brahmagupta in 628. His symbol to depict the numeral was a dot underneath a number.

## Why is 2520 a special number?

2520 is: the smallest number divisible by all integers from 1 to 10, i.e., it is their least common multiple. … the product of five consecutive numbers, namely 3×4×5×6×7. a superior highly composite number.

## What is a sad number?

Those numbers for which this process ends in 1 are happy numbers, while those that do not end in 1 are unhappy numbers (or sad numbers).

## What is meant by 10?

10 (ten) is an even natural number following 9 and preceding 11. Ten is the base of the decimal numeral system, by far the most common system of denoting numbers in both spoken and written language. … The reason for the choice of ten is assumed to be that humans have ten fingers (digits).

## Why is 1729 called Ramanujan number?

It’s the smallest number expressible as the sum of two cubes in two different ways.” Because of this incident, 1729 is now known as the Ramanujan-Hardy number. To date, only six taxi-cab numbers have been discovered that share the properties of 1729.

## What is 8 as a number?

8 (number)
8
0 1 2 3 4 5 6 7 8 9 >> List of numbers — Integers 0 10 20 30 40 50 60 70 80 90 >>
Cardinal 8 eight
Ordinal 8th eighth
Numeral system octal

## What does 777 mean?

Seeing angel number 777 means you are in energetic alignment with the Universe and are in a perfect vibrational match to brining in blessings, miracles, good luck, happiness, abundance, great opportunities, and a sign of your dreams coming true!

## Is 8 a lucky number?

The number 8 has always been misunderstood and is generally associated with bad luck. However, in Chinese culture, eight is regarded as the luckiest number. For some people, the number 8 is a symbol of a new beginning and new order.

## Is 9 a lucky number?

Not to talk of the numeral 9, which is often cited as a ‘lucky number‘ for many these days! The ‘Fruit of the Spirit’ comprises nine graces: love, peace, suffering, gentle, good, faith, meek and temperance.

## What is Kaprekar constant?

Kaprekar constant, or 6174, is a constant that arises when we take a 4-digit integer, form the largest and smallest numbers from its digits, and then subtract these two numbers. Continuing with this process of forming and subtracting, we will always arrive at the number 6174.

## How do I make 1089?

The number you will get is 1089! For example, if you start with 532 (three digits, decreasing order), then the reverse is 235. Subtract 532-235 to get 297. Now add 297 and its reverse 792, and you will get 1089!

## Why is 28 the perfect number?

A number is perfect if all of its factors, including 1 but excluding itself, perfectly add up to the number you began with. 6, for example, is perfect, because its factors — 3, 2, and 1 — all sum up to 6. 28 is perfect too: 14, 7, 4, 2, and 1 add up to 28.

## What is a cosmic number?

Cosmic numbers are those constants that are intrinsically connected to the physical laws of our universe. … In contrast, the number 365 of days in a year does represent a cosmological fact: the approximate number of rotations of the earth on its axis during one revolution around the sun.

## How do you play magic number 4?

The solution
1. Take the number in question,
2. Count the number of letters in its English word representation, ignoring a hyphen or spaces or “and” (e.g., “ten” has 3 letters in it, “thirty-four” has 10 letters in it, “one hundred forty-three” has 20 letters in it).
3. Return that number of letters.

## What is the green glass door Riddle?

Here it is: any word that is spelled with a double letter can go through the green glass doors, but any word that isn’t spelled with a double letter can’t (get the title of the game now?). So, some things that could go through the green glass doors: grass, but not flowers. a happy person, but not a sad person.

## Is 7 a lucky number?

In many cultures around the world, seven is considered a lucky number. … In fact, if you start looking for reasons why seven is so popular throughout history across various cultures, you’ll find that the number seems to appear everywhere. There are seven days in a week.

## Is 4 a lucky number?

The Chinese word for FOUR sounds like “death”. Many Chinese people do not want the number FOUR in their house number or phone number. But: FOUR is a lucky number in Europe, North America and Australia. The FOUR-leaf clover is a symbol of luck.

## Is 5 a lucky number?

The numbers 3, 5, and 8 are generally considered to be lucky, while 4 is considered unlucky.

## Magic Math Think of a number, Explained with Algebra

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