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Program to check if N is a Nonagonal Number | Function to check if N is a nonagonal number.
Condition to check if the number is a nonagonal number.
Driver code.
Given number.
Function call"
Solution in Python:

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What is a code to program to check if N is a Nonagonal Number and the other steps required?
assistant
#Here is code to program to check if N is a Nonagonal Number and the other steps required.
 def isnonagonal ( N ) :
	n = ( 5 + pow ( ( 56 * N + 25 ) , 1 / 2 ) ) / 14 ;
	return ( n - int ( n ) ) == 0 ;
if __name__ == ' _ _ main _ _ ' :
	N = 9 ;
	if ( isnonagonal ( N ) ) :
		print ( " Yes " ) ;
	else :
		print ( " No " ) ;