# What Is A Special Digit?

## What is a special two digit number?

A special two-digit number is a number such that when the sum of the digits of the number is added to the product of its digits, the result is equal to the original two-digit number.

Examples : input : 59..

## What is the special number of 28?

Twenty-eight is the sum of the totient function for the first nine integers. Since the greatest prime factor of 282 + 1 = 785 is 157, which is more than 28 twice, 28 is a Størmer number. Twenty-eight is a harmonic divisor number, a happy number, a triangular number, a hexagonal number, and a centered nonagonal number.

## Why is 9 a special 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. … Nine is a significant number in Norse Mythology.

## Why 1 is a special number?

The number one is far more special than a prime! It is the unit (the building block) of the positive integers, hence the only integer which merits its own existence axiom in Peano’s axioms. … It is the only perfect nth power for all positive integers n. It is the only positive integer with exactly one positive divisor.

## Why is 27 a special number?

In decimal, it is the first composite number not divisible by any of its digits. It is the radix (base) of the septemvigesimal positional numeral system. 27 is the only positive integer that is 3 times the sum of its digits. In a prime reciprocal magic square of the multiples of 17, the magic constant is 27.

## What is the number 1000000000000000000000000?

What’s after trillion? Trillion is a 1 with 12 zeros after it, and it looks like this: 1,000,000,000,000. The next named number after trillion is quadrillion, which is a 1 with 15 zeros after it: 1,000,000,000,000,000.

## What is the 9 trick in math?

The fingers to the right represent the ones. So, when multiplying 9 times 4, and folding down the fourth finger from the left, you will end up with three fingers to the left, and six to the right. The answer is 36. Try this trick with any single digit number that you want to multiply by nine.

## 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 does 28 mean in love?

Number 28 in Love 28 meaning reveals that you are a passionate human being. You adore and love your loved ones with so much love that at times, it is hard to reciprocate the same. This number reveals that you only fall in love and get into relationships with people who are independent and attractive.

## What is strong number?

Strong number is a number whose sum of all digits’ factorial is equal to the number ‘n’. Factorial implies when we find the product of all the numbers below that number including that number and is denoted by ! (Exclamation sign), For example: 4! = 4x3x2x1 = 24.

## What is a special number example?

A number is said to be special number when the sum of factorial of its digits is equal to the number itself. Example- 145 is a Special Number as 1!+ 4!+ 5!=

## What is special number in Python?

A number is said to be special number when the sum of factorial of its digits is equal to the number itself. Example- 145 is a Special Number as 1!+

## What is the most beautiful number?

1.618. This number is also known as Phi or Golden Number or Golden Ratio.

## What does a 9 in numerology mean?

Number 9 is the number of Universal love, eternity, faith, Universal Spiritual Laws, the concept of karma, spiritual enlightenment, spiritual awakening, service to humanity, humanitarianism and the humanitarian, lightworking and lightworkers, leading by positive example, philanthropy and the philanthropist, charity, …

## What is factorial number?

Factorial, in mathematics, the product of all positive integers less than or equal to a given positive integer and denoted by that integer and an exclamation point. Thus, factorial seven is written 7!, meaning 1 × 2 × 3 × 4 × 5 × 6 × 7.

## What are the six luckiest numbers?

The most frequent numbers are: 26, 16, 41, 32, and 28. Number 26 has been drawn 281 more times than the least common ball number 66, although that is due to the number of balls being increased recently and not because number 66 is incredibly unlucky!

## What is the most special number?

Therefore the number 6174 is the only number unchanged by Kaprekar’s operation — our mysterious number is unique. The number 495 is the unique kernel for the operation on three digit numbers, and all three digit numbers reach 495 using the operation.

## What number is the most powerful?

1What is the most powerful number in the universe? The most powerful number in the universe is number 1. This number signifies fresh starts, new beginnings, and excellence. Number 1 has always been used to present the best when comparing people or things.

## Why is 10 a good number?

Here are 10 Reasons that 10 is so important Number ten symbolizes the completion of a cycle. 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).

## Whats the most magical number?

SevenSeven is the most powerful magical number, based on centuries of mythology, science, and mathematics, and therefore has a very important role in the wizarding world.

## What are the most luckiest numbers?

According to a poll run by mathematician Alex Bellos, seven is the most popular lucky number in the world. Given its popularity, maybe it’s no surprise that there are seven days of the week, seven wonders of the world, seven continents, seven seas, and many important ways that the number seven is used.