Consumers like numbers such as 10, 12, and 24 that are the sums or products of common grade-school arithmetic problems, and as a consequence they prefer brand names containing those numbers, research suggests. In one experiment by Dan King of the National University of Singapore and Chris Janiszewski of the University of Florida, people preferred the (made-up) brand Zinc 24 to Zinc 31 and just plain Zinc, for example.
Source: Harvard Business Review
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