There Are 177,147 Ways to Knot a Necktie

There Are 177,147 Ways to Knot a Necktie

“A small team of mathematicians, led by Mikael Vejdemo-Johansson of the of the KTH Royal Institute of Technology in Stockholm, has uploaded a paper to the preprint server arXiv describing a mathematical process they used to determine that the number of ways to tie a tie is 177,147—far more than previous research has suggested.”

— “Mathematicians calculate that there are 177,147 ways to knot a tie,” Bob Yirka, (links added)

Here in Washington DC the necktie is an integral part of a man’s traditional garb, like the blue blazer and khaki pants. Most of us pick one of two or three ways to fasten a cravat and stick with it. For us, the early morning act of knotting a tie has a reflexive, mechanical nature.

Video: “Why Knot?” by engineer and sculptor Seth R. Goldstein.


Short Link:

Top image by Mike Licht. Download a copy here. Creative Commons license; credit Mike Licht,

Comments are welcome if they are on-topic, substantive, concise, and not boring or obscene. Comments may be edited for clarity and length.

Add to: Facebook | Digg | | Stumbleupon | Reddit | Blinklist | Twitter | Technorati | Yahoo Buzz | Newsvine

Tags: , , , , ,

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: