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Most cited

This page lists all time most cited articles for this title. Please use the publication date filters on the left if you would like to restrict this list to recently published content, for example to articles published in the last three years. The number of times each article was cited is displayed to the right of its title and can be clicked to access a list of all titles this article has been cited by.

Contents

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  • III. (b). Formal Arrangement in Reducing Shillings to Pounds

  • H. WEBB
  • Published online by Cambridge University Press:
    03 November 2016, pp. 269-274

  • There are two forms of setting out questions involving the reduction of shillings to £'s. They are:

    In example (i), after crossing off the nought of the 20 and the last figure of the dividend, division is by 2 ; whilst in example (ii) division is by 20. Consequently, in (ii), the first figure of the quotient is one place further to the right than it is in (i). The divisor, 20, is often omitted in both examples.

  • Cited by 1

  • S·P numbers in bases other than 10

  • Ezra Bussmann
  • Published online by Cambridge University Press:
    01 August 2016, pp. 245-248

  • In a recent issue of the Gazette, S. Parameśwaran introduced S·P numbers. A positive integer n is an S·P number if it equals the sum s of its digits multiplied by the product p of its digits, i.e. n = sp. Subsequently, H. J. Godwin showed that in any number base the number of S·P numbers is finite, and A. F. Beardon and K. Robin McLean enumerated all S·P numbers in base 10 (namely, 1, 135, and 144). We generalise Beardon’s technique from base 10 to an arbitrary base to determine all S·P numbers in bases 2 through 12. Contrary to the claims of Godwin, we find 4-digit and 5-digit S·P numbers in base 11.

Page 153 of 185