X-Nico

2 unusual facts about Colney Hatch


Dudeney number

The name derives from Henry Dudeney, who noted the existence of these numbers in one of his puzzles, Root Extraction, where a professor in retirement at Colney Hatch postulates this as a general method for root extraction.

Pierre Henri Joseph Baume

He acquired a large estate, valued at £40,000, at Colney Hatch, and another in Buckinghamshire, estimated to be worth £4,000.



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