Having difficulty with these two Intro to Elementary Number Theory Homework problems. How many positive integers n less than or equal to 17,473 satisfyd(n) = 1 (mod 2)?Type your answer... How many positive integers n satisfy a(n) = 54?Type your answer...

We need to find a number of positive integers n≤17473 such that d(n)≡1(mod 2) i.e., , k∈Z.So, we…

Answered: How many positive integers n less than…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Please help me with these two questions. I am having trouble understanding what to do. Thank you
Hello there! Can you help me solve a problem with one of the subparts? Thanks!
Question 13 If two successive natural numbers have sum of squares equal to 113, what is the lower number? O 7 8. -8 -7
When working with very large or very small numbers we don't always want to write out all of the zeros. One strategy for shortening these numbers is to write these them in terms of powers of ten. To do this, we consider how many times we need to multiple ten by itself to get the desired output. Example: • 10 = 10¹ • 100 = 10 x 10 = 10² • 1000 Try it = Answer: 10 × 10 × 10 = 10³ Write ten thousand as a power of ten. Calculator
Hello. Need help with 1 and 6
Discuss in a paragraph: Is mathematics absolutely error-free?
Hello, I understand how to do it that way( I mean the way it's done in the picture send you) but how could I do it using the formula, n(n+1)/2 Is that the formula used for that question? Also if not, what formula could I use?

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How many positive integers n less than or equal to 17,473 satisfy d(n) 1 (mod 2)?