Paper, 'On a property of numbers' by James Booth Booth suggests that 'a number of six places, consisting of a repetition of a period of any three figures, is divisible by the prime numbers 7, 11 and 13' and presents his mathematical proof. Subject: Mathematics Received 6 April 1854. This paper was published in full in volume 7 of the Proceedings of the Royal Society as 'On a property of numbers'. 1854