Problem 59170. Determine whether a number is a Zeisel number

• Created by ChrisR
• Appears in Cody Problems in Japanese

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Do you know what is interesting about the number 1729?

That’s right: it’s the third Zeisel number, a number given by , where and are the distinct prime factors, related by the recurrence relation . For example, A and B are 1 and 6 for 1729 since 1+6 = 7, 7+6 = 13, 13+6 = 19, and .

Write a function to determine whether a number is a Zeisel number. If it is, return the values of A and B. If not, set A and B to NaN.

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Solution Stats

50.0% Correct | 50.0% Incorrect

• 14 Solutions
• 7 Solvers

Last Solution submitted on Dec 20, 2024

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