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All our days

I have written the days of the week with their ordinal numbers as shown on the right.

Letters being consistently replaced by non-zero digits, each day is divisible by its own ordinal number (and by no higher digit). Please send in the FAMOUS number.

WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 27 January. The Editor’s decision is final. Please send entries to Enigma 1575, New ÐÓ°ÉÔ­´´, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).

Answer to 1569 Cardiology: 4 centimetres

The winner Jim Olson of Las Vegas, Nevada, US