Twitter is trialling an extension to its character limit for tweets – from 140 to 280. Seeing as they find combatting online abuse and Nazism so arbitrary, here are some meaningless facts about the number 280.
- 280 is an octagonal number
- Greek mathematician Pappus geometrically demonstrated the property of the center of gravity in 280AD
- 280 is an even composite number composed of three prime numbers multiplied together
- 280 seconds is equal to 4 minutes, 40 seconds so more time than Justin Timberlake and Madonna had to save the world
- 280 is a Harshad number
- 280 is a happy number
- 280 is apparently the number of ways 18 people at a round table can shake hands in a non-crossing way
- Herophilus, the father of anatomy, died in 280BC
- The number of Euros (in millions) Cyprus paid backout of their €1bn IMF bailout loan
- The number of dollars (in millions) the Staglin Family raised for brain health awareness
(thanks to Numbermatics and Wikipedia for the info)