I've set up an internet survey about favourite numbers: www.favouritenumber.net The idea emerged since I get asked a lot what my favourite number is. I dont have one, but I noticed that not only do most people expect a maths writer to have one, but they have deeply held convictions about their own favourite numbers. So, I thought I would try to quantify the world's favourite numbers. Ambitious I know, but in 24 hours since the site went live I have had about 3500 entries, mostly from the UK and USA, but also from dozens of other countries. Already interesting patterns are emerging, as well as interesting reasons for choosing the numbers. The survey i think will be interesting more for its qualitative results. If you dont have a favourite number, you are not excluded from taking part. There is a box for you. Please take part and share the link! I hope to have results ready for next year. Alex