‘What number would you use?’ ‘Six characters? I’d probably write out my birthday, month, day, year, and find the nearest prime number.’ Then he thought for a second and said, ‘Actually that would be a problem, because there would be two equally close, one exactly seven less and one exactly seven more. So I guess I’d use the square root instead, rounded to three decimal places. Ignore the decimal point, that would give me six numbers, all different.’ ‘Weird,’ Neagley said.
