Square pyramidal number
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In mathematics, a pyramid number, or square pyramidal number, is a natural number that counts the stacked spheres in a pyramid with a square base. The study of these numbers goes back to Archimedes an
A square pyramid of cannonballs at Rye Castle in England
Archimedes
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Archimedes of Syracuse was an Ancient Greek mathematician, physicist, engineer, astronomer, and inventor from the city of Syracuse in Sicily. Although few details of his life are known, based on his s
Square pyramidal number
…square pyramidal number, is a natural number that counts the stacked spheres in a pyramid with a square base. The study of these numbers goes back to Archimedes and Fibonacci. They are part of a broader topic of figurate numbers representing the numbers of points forming regular patterns within different shapes…
Archimedes Thoughtful (1620)
Cicero Discovering the Tomb of Archimedes (1805) by Benjamin West
Front page of Archimedes' Opera, in Greek and Latin, edited by David Rivault (1615)
Ostomachion is a dissection puzzle found in the Archimedes Palimpsest