Slide enlarger
ENIGMA represents a six-digit number in which the digits are all different and non-zero.
When EN slides from the front to the back, the resulting six-digit number, IGMAEN, is 20 per cent larger than ENIGMA.
What is ENIGMA?
WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 3 November 2010. The Editor’s decision is final. Please send entries to Enigma 1615, Â鶹´«Ã½, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).
Answer to 1609 I remember it well: The number…
