AMICABLE NUMBERS, two numbers so related that the sum of the factors of the one is equal to the other, unity being considered as a factor.

In 1858 the representatives of Austria, Belgium, France, the Netherlands, Piedmont, Russia, the Holy See, Sweden, Tuscany and Turkey appropriated the sum of 400,000 francs in recognition of the use of his instruments in those countries.

The poet however cleared by his benefit nights, and by the sale of the copyright of his tragedy, about three hundred pounds, then a great sum in his estimation.

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The wazir then decided to annex their country, and appealed to Hastings for assistance, which was given in return for a sum of forty lakhs of rupees.

He returned to Aberdeen to paint landscapes and portraits for any trifling sum which his work could command.

In each of a number of experiments he found that the weight of the silver iodide did not differ by one twenty-thousandth of the whole from the sum of the weights of the silver and the iodine used.

A sum of Lioo,000 was bequeathed by Mr Andrew Usher (1826-1898) for a hall to be called the Usher Hall and to supplement I The original Tolbooth was completed in 1501, but a new one took its place in 1563-1564, and was subsequently altered.

Taking into account the variations in wages and in the price of wheat, it may be calculated that the number of hours of work requisite to earn a sum equal to the price of a cwt.

Langham's tomb is the oldest monument to an ecclesiastic in Westminster Abbey; he left the residue of his estate - a large sum of money - to the abbey, and has been called its second founder.

The books he read were chiefly historical, and on these he spent a certain sum every year.