What is the most popular two-digit number?

13 is the most common two-digit number.

What is the best 2 digit number?

The greatest 2-digit number, using only one digit is 99. (99 is the greatest two-digit number too). The greatest 2-digit number, using all different digits is 98. There are only two place values in two-digit numbers, tens and ones.

What's the most popular number?

But if you ask enough people, you start to see which numbers emerge as consensus favorites across the population. Math blogger Alex Bellos recently did this, and after polling more than 44,000 people from around the world on his website, he got an answer: The world's favorite number is 7.

What is the most popular single digit number?

As you might expect, the single-digit numbers are all among the most common. 10, 000, 20, 12, 2005, 15 and 11 are all more common than the least common single-digit number.

What is a special 2 digit number?

Any 2-digit number ending in 9 is one of the special numbers. Starting with 19 you have. 1 + 9 = 10 and 1x9 = 9. 10 + 9 = 19.

1-digit |2-digit |upto 9-digit smallest and greatest numbers

What are strong numbers?

Strong number is a special number whose sum of the factorial of digits is equal to the original number. For Example: 145 is strong number. Since, 1! + 4! + 5!

What is the number of happy?

is said to be happy. For example, starting with 7 gives the sequence 7, 49, 97, 130, 10, 1, so 7 is a happy number. The first few happy numbers are 1, 7, 10, 13, 19, 23, 28, 31, 32, 44, 49, 68, 70, 79, 82, 86, 91, 94, 97, 100, ... (OEIS A007770).

What is everyone's favorite number?

Over 30,000 people voted online for their favorite number, and the number chosen by the most people is… drum roll… 7! Almost half of all people chose numbers between 1 and 10.

What is the most weird number?

The first few weird numbers are 70, 836, 4030, 5830, 7192, 7912, 9272, 10430, ... (OEIS A006037). An infinite number of weird numbers are known to exist, and the sequence of weird numbers has positive Schnirelmann density.

What is the perfect number?

perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128. The discovery of such numbers is lost in prehistory.

What is the lucky number for 2?


The days 7, 16 and 25 (number 7 and any number with sum 7) are very lucky to the people born under the Number 2. The days 1, 10, 19 and 28 also bring good luck. The days 2, 11, 20 and 29 will bring moderate results. The numbers 8 and 9 bring bad luck to them.

What is the most beautiful number?

What Is So Special About The Number 1.61803? The Golden Ratio (phi = φ) is often called The Most Beautiful Number In The Universe. The reason φ is so extraordinary is because it can be visualized almost everywhere, starting from geometry to the human body itself!

Why 73 is the best number?

“The best number is 73,” Cooper explained in the episode. “Why? 73 is the 21st prime number. Its mirror, 37, is the 12th, and its mirror, 21, is the product of multiplying seven and three ... and in binary, 73 is a palindrome, 1001001, which backwards is 1001001.”

What is a nasty number?

Nasty Numbers A nasty number is a positive integer with at least four different factors such that the difference between the numbers in one pair of factors is equal to the sum of the numbers of another pair and the product of each pair is equal to the number. Thus a positive integer n is a nasty number.

What is a forbidden number?

Abstract. Every classical or virtual knot is equivalent to the unknot via a sequence of extended Reidemeister moves and the so-called forbidden moves. The minimum number of forbidden moves necessary to unknot a given knot is an invariant we call the forbidden number.

What is attractive number?

A number is an attractive number if the number of its prime factors (whether distinct or not) is also prime.

What is a cute number?

A number is called cute if it has exactly four positive integral divisors.

What are beautiful numbers?

A number is called beautiful if, for every digit x in the number, there are x occurrences of it in the number. Example: 1 is beautiful because 1 has 1 occurrence. 3133 is beautiful because 1 has 1 occurrence and 3 has 3 occurrences.

Is 1 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. Let's look at the examples below to understand the concept behind it better. Example 1:- 23 is a happy number.

What number means lonely?

Etymologically, one is. The word lonely derives from the word alone, which is itself a contraction of all + one. Also, according to The Solitude of Prime Numbers by Paolo Giordano, all twin primes are lonely: close but never touching. Clearly One is the Loneliest Number.

What is the number of life?

The number 42 is especially significant to fans of science fiction novelist Douglas Adams' “The Hitchhiker's Guide to the Galaxy,” because that number is the answer given by a supercomputer to “the Ultimate Question of Life, the Universe, and Everything.” Booker also wanted to know the answer to 42.

What is special number?

If the sum of the factorial of digits of a number (N) is equal to the number itself, the number (N) is called a special number.

What is the most meaningful number?

One of the most important numbers in our universe is the number Pi or π.