Get all your news in one place.
100's of premium titles.
One app.
Start reading
The Guardian - UK
The Guardian - UK
Science
Alex Bellos

FORGOTTEN HISTORY: Can you solve it the numbers all go to 11 - The Untold Story

The amp from Spinal Tap that goes up to 11.
The amp from Spinal Tap that goes up to 11. Photograph: Jon Neil/GuardianWitness

It’s two decimal digits long, it’s prime, it’s a palindrome and it’s the number of players in a football team.

Let’s hear it for “legs” eleven!

Sign up to read this article
Read news from 100's of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.