amicable number

Save This Word!

either of a pair of positive integers in which each member is equal to the sum of the submultiples of the other, as 220 and 284.

QUIZZES

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.

Question 1 of 8

Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

“Our members continue to face a number of challenges,” she said.
The Republican War on Kale|Patricia Murphy|January 7, 2015|DAILY BEAST
The number of dissenters though is unprecedented in the modern era.
Democrats Accidentally Save Boehner From Republican Coup|Ben Jacobs, Jackie Kucinich|January 6, 2015|DAILY BEAST
Starting under Theodore Roosevelt and Howard Taft, embassies headed by career diplomats increased in number.
U.S. Embassies Have Always Been for Sale|William O’Connor|January 2, 2015|DAILY BEAST
The number of diplomats was pitiful (45 appointees in 1860), as was the amount of money allocated to them.
U.S. Embassies Have Always Been for Sale|William O’Connor|January 2, 2015|DAILY BEAST

Jett sees this number as a marker of how much the president allows professionals to do the job.
U.S. Embassies Have Always Been for Sale|William O’Connor|January 2, 2015|DAILY BEAST
The country is well inhabited, for it contains fifty-one cities, near a hundred walled towns, and a great number of villages.
Gulliver's Travels|Jonathan Swift
We had six field-pieces, but we only took four, harnessed wit twice the usual number of horses.
Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV.|Various
There are a number of bacilli, called acid-fast bacilli, which stain in the same way as the tubercle bacillus.
A Manual of Clinical Diagnosis|James Campbell Todd
Five of the number had studied with Liszt before, and the young men are artists already before the public.
Music-Study in Germany|Amy Fay
I do not think the average number of passengers on a corresponding route in our country could be so few as twenty.
Glances at Europe|Horace Greeley