How do I find the Pronic number in Python?

PROGRAM:

1. #isPronicNumber() will determine whether a given number is a pronic number or not.
2. def isPronicNumber(num):
3. flag = False;
4. for j in range(1, num+1):
5. #Checks for pronic number by multiplying consecutive numbers.
6. if((j*(j+1)) == num):
7. flag = True;
8. break;

How do you find out if a number is in an arithmetic sequence python?

Program to find number of arithmetic sequences from a list of numbers in Python?

1. count := 0, ans := 0.
2. for i in range 2 to size of nums, do. if nums[i] – nums[i – 1] is same as nums[i – 1] – nums[i – 2], then. count := count + 1.
3. if count is non-zero, then. ans := ans + quotient of (count *(count + 1)) / 2.
4. return ans.

Is 2 a Pronic number?

All pronic numbers are even, and 2 is the only prime pronic number. It is also the only pronic number in the Fibonacci sequence and the only pronic Lucas number.

Is 12 a Pronic number?

The first few pronic numbers are: 0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210, 240, 272, 306, 342, 380, 420, 462 … (sequence A002378 in the OEIS).

What’s the meaning of Pronic?

pronicadjective. Of a number which is the product of two consecutive integers.

How do you find the common difference in arithmetic sequences?

The common difference is the value between each successive number in an arithmetic sequence. Therefore, the formula to find the common difference of an arithmetic sequence is: d = a(n) – a(n – 1), where a(n) is the last term in the sequence, and a(n – 1) is the previous term in the sequence.

How to check if a string is an integer/double?

Basically it checks if the integer x/x = 1. If it does (as it would with a number), its an integer/double. If it doesn’t, it obviously it isn’t.

How to check whether the input given is an integer or not?

I found a way to check whether the input given is an integer or not using atoi () function. Read the input as a string, and use atoi () function to convert the string in to an integer. atoi () function returns the integer number if the input string contains integer, else it will return 0.

How to check if a number is a prime number?

If the number can be expressed as the sum of two prime numbers, the output shows the combination of the prime numbers. To perform this task, a user-defined function is created to check prime number. In this program, we use the checkPrime () function to check whether a number is prime or not.

Why does numnum always contain an integer?

num will always contain an integer because it’s an int. The real problem with your code is that you don’t check the scanf return value. scanf returns the number of successfully read items, so in this case it must return 1 for valid values.