- Which is a unique number?
- What is the most boring number?
- What is the rarest number?
- What is consecutive number?
- Is 1 a prime number?
- What is beautiful number?
- What is the most picked number between 1 and 10?
- What makes a number unique?
- What is the most important number?
- What is the most attractive number?
- What is the most mysterious number?
- What is the number of common number?
- Why is 9 a special number?

## Which is a unique number?

1 is called a unique number because it is neither a prime number nor a composite number.

It has only one factor, i.e, the number itself; and to be a composite number also the number must have two factors, i.e, 1 and the number; and a prime number also must have more than two factors..

## What is the most boring number?

11630 is the first number that is not listed in a single sequence in the OEIS. It is not prime, nor is it highly composite (11630 = 2×5×1163).

## What is the rarest number?

Other examples of rare numbers are 65, 621770, 281089082, 2022652202, 868591084757, 872546974178 … (Sequence A035519 of OEIS). If we consider palindromic rare numbers, there are infinitely many rare numbers.

## What is consecutive number?

more … Numbers which follow each other in order, without gaps, from smallest to largest. 12, 13, 14 and 15 are consecutive numbers. 22, 24, 26, 28 and 30 are consecutive even numbers.

## Is 1 a prime number?

Proof: The definition of a prime number is a positive integer that has exactly two positive divisors. However, 1 only has one positive divisor (1 itself), so it is not prime. … A prime number is a positive integer whose positive divisors are exactly 1 and itself.

## What is beautiful number?

A number ‘N’ is called ‘Beautiful’ if and only if, Count(N) = Sum(N) , where. Count(N) = Count of distinct prime numbers in prime factorization of ‘N’.

## What is the most picked number between 1 and 10?

The most popular picks are in fact 69, 77 and 7 (in descending order). It’s well known amongst purveyors of conjuring tricks and the like that if you ask people to pick a number between 1 and 10, far more people choose 7 than any other number.

## What makes a number unique?

Question: 8,549,176,320 What makes this number unique? Answer: The said number has all the numbers from 0-9 exactly once and what is special is they are in lexicographical order of their English words. Where 8,549,176,320 becomes eight-five-four-nine-one-seven-six-three-two-zero. …

## What is the most important number?

But the following 10 are the most important numbers, or constants, in the entire world.The Speed of Light: 186,282 miles per second. … Gravitational Constant (G): 6.67300 x 10^-11 m^3 kg^-1 s^-2. … Boltzmann’s Constant: 1.380650 x 10^23 joule per kelvin. … Imaginary Unit: i. … Euler’s Identity: e^(i*pi) = -1.More items…•

## What is the most attractive number?

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

## What is the most mysterious 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. Why don’t you check it yourself?

## What is the number of common number?

more … “Factors” are numbers we can multiply together to get another number. When we find the factors of two or more numbers, and then find some factors are the same (“common”), then they are the “common factors”. Example: 12 and 16.

## 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.