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Why odd numbers are dodgy, evens are good, and 7 is everyone’s favourite

What’s your lucky number? An online survey threw up a hot favourite: people find 7 clever, cheery, divine. And our reactions to numbers shine a fascinating light on how our brains work, especially in the oh-so-superstitious far east

Think of the number 7. Do you like it? Do you love it? Do you remain unmoved?

You may think these are frivolous questions, but when I launched an online survey asking people to submit their favourite numbers and explain the reasons why almost 4,000 people declared a devotion to 7.

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