figurate

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Related to Figurate number: Polygonal numbers

figurate

(fĭg′ū-rāt) [L. figuratum, figured]
Having a rounded, curved, circular, or ringed shape. The term is used to describe rashes that leave elaborately embroidered markings on the skin.
References in periodicals archive ?
If in the previous issue of AMT (page 15) you didn't try to test Fermat's declaration about figurate numbers being used to express any number, then you might be in a better position to do so now, having found a few more types of figurate numbers with which to play.
We pick up from there and use another neat way of adding lists of numbers to find a way of getting general formulae for figurate numbers and use Gauss's method to check it
The gnomon is the piece which needs to be added to a figurate number to transform it to the next biggest one.
Actually, a famous mathematician, often called the Prince of Amateurs, Pierre Fermat (1601-1665) declared that any number is either a figurate number or the sum of two or more of them.
Its definition is linked in history to our investigation of figurate numbers.
Figurate numbers were a concern of Pythagorean geometry, (I just love these links between numbers and shapes
What might the gnomons for the next shaped figurate numbers be?