Question

Write a java program to find neon numbers from 9 to 10000​

Answer 1

$\mathcal{Neon \:Number}$

• A neon number is a number where the sum of digits of square of the number is equal to the number. The task is to check and print neon numbers in a range.

$Examples:$

$Steps$

• Input : 9
• Output : Neon Number
• Explanation: square is 9*9 = 81 and
• sum of the digits of the square is 9.

• Input :12
• Output : Not a Neon Number
• Explanation: square is 12*12 = 144 and
• sum of the digits of the square is 9 (1
• + 4 + 4) which is not equal to 12.

$\red{Recommended:}$

• Please try your approach on {IDE} first, before moving on to the solution.
• The implementation is simple, we first compute square of given number, the find sum of digits in the square.

$refer \:to \:Attatchment$✔✔

$\huge\mathcal{Output:-19}$