Psammites

E627476

Psammites is an ancient mathematical treatise by Archimedes in which he develops a system for expressing extremely large numbers to estimate the quantity of sand grains that could fit in the universe.

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Statements (46)

Predicate Object
instanceOf mathematical treatise
work by Archimedes
addressedTo a ruler of Syracuse
aimsToShow the power of mathematical reasoning to handle enormous quantities
approximateDate 3rd century BCE
assumes the Sun is much larger than the Earth
the fixed stars lie on a sphere surrounding the Sun-centered system
author Archimedes NERFINISHED
contains early use of a positional-like number system
culturalContext ancient Greek mathematics
dedicatedTo King Gelon II of Syracuse NERFINISHED
demonstrates that numbers larger than any previously named Greek numbers can be systematically expressed
that the number of grains of sand needed to fill the universe is finite
develops a system for expressing extremely large numbers
field astronomy
mathematics
number theory
focusesOn arithmetical reasoning rather than geometric diagrams
genre scientific prose
goal to estimate the number of grains of sand that could fit in the universe
hasAlternativeName The Sand Reckoner of Archimedes NERFINISHED
hasEnglishTitle The Sand Reckoner NERFINISHED
hasForm letter-treatise
hasGreekTitle Ψαμμίτης NERFINISHED
hasLatinTitle Psammites NERFINISHED
historicalPeriod Hellenistic period NERFINISHED
influenced later studies of large numbers
introduces a method to name numbers far larger than those used in everyday Greek notation
a system of orders of magnitude up to 10^8 per order
mainSubject astronomical estimation
number notation
very large numbers
modernTitle The Sand Reckoner NERFINISHED
placeOfOrigin Syracuse NERFINISHED
preservedIn medieval manuscript tradition
relatedWork Measurement of a Circle NERFINISHED
On the Sphere and Cylinder NERFINISHED
topic orbital periods of celestial bodies
size of the Earth
size of the Moon
size of the Sun
size of the universe
usesAssumptionFrom astronomical model of Aristarchus of Samos
usesConcept orders and periods of numbers
powers of ten
writtenInLanguage Ancient Greek

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

The Sand Reckoner alsoKnownAs Psammites