A lucky number is a number that gives 1 by repeatedly adding the square of its digits. If such a process results in an endless cycle of numbers containing 4, that number is said to be an unlucky number. Create a function that accepts a number and determines whether the number is lucky or not. If so, return true, otherwise false. Examples isHappy (67) → false isHappy (89) false isHappy (2871) → false isHappy (3970) → true Solution in JS

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
icon
Related questions
Question
A lucky number is a number that gives 1 by repeatedly adding the square
of its digits. If such a process results in an endless cycle of numbers
containing 4, that number is said to be an unlucky number.
Create a function that accepts a number and determines whether the
number is lucky or not. If so, return true, otherwise false.
Examples
isHappy (67) → false
isHappy (89)
false
isHappy (2871) → false
isHappy (3970) → true
Solution in JS
li
Transcribed Image Text:A lucky number is a number that gives 1 by repeatedly adding the square of its digits. If such a process results in an endless cycle of numbers containing 4, that number is said to be an unlucky number. Create a function that accepts a number and determines whether the number is lucky or not. If so, return true, otherwise false. Examples isHappy (67) → false isHappy (89) false isHappy (2871) → false isHappy (3970) → true Solution in JS li
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY