answersLogoWhite

0


Best Answer

The sum of the squares of the digits of 13 is 12 + 32 = 10. The sum of the squares of the digits of this result is 12 + 02 = 1. Because this process results in a 1, this number is a happy number.

User Avatar

Wiki User

βˆ™ 14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How is 13 a happy number?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Is a happy number plus another happy number always a happy number?

The Wikipedia article lists the first happy numbers as 1, 7, 10, 13, 19, 23, 28, 31, 32, 44, 49, ..., so the answer is clearly no.


What is a happy and sad number?

The number seven or eleven are considered lucky when it comes to luck number 13 is suppose to be a bad luck number.


What is the nearest whole number to 13.1?

Ah, what a happy little question! The nearest whole number to 13.1 is 13. You see, when a number is right in the middle, we can round it up or down depending on what's closest. In this case, 13 is just a little bit closer to 13.1 than 14. Just a happy little rounding decision to make!


What is a happy number?

Add the squares of the digits of a whole number to make a new one. If you repeat this process and end up with the number 1, you have found a happy number. For example: 32= 9+4=13, 1+9=10, 1+0=1. Therefore 32 is a happy number


What is the prime factorization in exponential form for the number 52?

22 x 13 = 52


How do you find a happy prime?

A happy prime is a number that is both happy and prime.A happy number is defined by the following process. Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals 1 (where it will stay).Happy numbers below 50 are 1, 7, 10, 13, 19, 23, 28, 31, 32, 44, and 49. The five numbers in bold are also happy primes. There are a number of techniques for finding happy primes but for prime numbers of a few digits then the squaring and summing process is just as efficient.


When was Happy to You created?

Happy to You was created on 2012-03-13.


What are the release dates for Frontline - 1983 Welcome to Happy Valley 13-13?

Frontline - 1983 Welcome to Happy Valley 13-13 was released on: USA: 6 June 1995


How is 1 a happy number?

it is a happy number because `123456u75


2172th happy number?

when I think of a happy number i think of even numbers, so yes that would be a "happy" number, but if your not talking about an even number than i would think that 2172th is a lukcy or as you say it is a happy number.


What 4 digit number has the factors 7 and 13?

9991


What are the release dates for Happy Days - 1974 Nose for News 5-13?

Happy Days - 1974 Nose for News 5-13 was released on: USA: 13 December 1977