and there's an unusual favourite in the top three

A study of 2,000 adults found that seven is the most popular lucky number for Brits. Five was the second most common number, while 13 was third. Almost a third of superstitious adults believe lucky numbers exist. One in 20 avoid unlucky numbers. Lottoland.co.uk commissioned the study ahead of its new free-to-play game launch.

Yeardle is a daily guessing game launched today. It asks players to guess the date Big Brother launched in the UK. Lottoland's study found that lucky numbers are used for gambling, lottery, betting on horses and roulette wheels, online passwords and even choosing what to eat off a menu. People have held onto their lucky number for 17 years. They also use their birthday, birth month, wedding anniversary and the time and day their children were born as well as their wedding date.