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(just those submitted by Homewood)
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Just showing those entries submitted by 'Homewood': (Click here to show all)

+ 7! + 6! - 5! + 4! - 3! + 2! - 1! and 7! - 6! + 5! - 4! + 3! - 2! + 1! are each members of a twin prime pair! [Homewood]

+ There are 7 sexy prime quadruplets up to a thousand. [Homewood]

+ Why is 10 afraid of 7? Because 7 8 9 and 10 is next! [Homewood]

+ The only prime heptagonal number. [Homewood]

+ The only twin prime of the form 30n-23. [Homewood]

(There are 2 curios for this number that have not yet been approved by an editor.)




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