Quantcast

A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

cwrw238

  • 2 years ago

Not a question - just something I came across in a math book. Amicable Numbers:- 220 and 284 are good friends. Why? - well the divisors of 220 are 1,2,4,5,10,11,20,22,44,55 and 110 and if you add them up you get 284. You've guessed it. If you figure out the divisors of 284 and add them up you get 220. Don't expect they are of any practical use but they have been used in compiling romantic horoscopes!

  • This Question is Closed
  1. ParthKohli
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    23433543553565 and 393939565255325329639 are good friends too. Why? Because they are numbers!

  2. ParthKohli
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    BTW, 220 is also a divisor of 220. Similar for 284.

  3. cwrw238
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    lol - ahh it don't work when you use the numbers themselves - so the discoverers ignored that!

  4. cwrw238
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Pythagoras is thought to have known about these numbers so that figures - he was supposed to be a bit mad anyway!

  5. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.