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The Number 80

80 can be Partitioned 41 times with each term no larger than 2.

80 can be Partitioned 574 times with each term no larger than 3.

80 is an Abundant Number.

The Chemical Element Mercury has an atomic number of 80.

The Year 80 AD

In the year 80 AD the original Roman Pantheon was destroyed in a fire, together with many other buildings.

In the year 80 AD the Eifel Aqueduct was constructed.

In the year 80 AD the aeolipile, the first steam engine, was invented by Hero of Alexandria.

In the year 80 AD Vologases II of Parthia died.

In the year 80 AD Julius Agricola, the Roman Governor of Britain,advanced into Scotland at the head of a Roman Army.

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Database of Number Correlations The Ordering of Phenomena Numbers and Synchronicity Number Sayings Number Laws Number Types Polygonal Numbers Centered Polygonal Numbers Prime Factor Calculator Prime Factors Primes Pi in Other Bases Number Partitions The Platonic Solids Archimedean Solids Multi-Polygonal Numbers Polytopes Physics Chemical Elements Stable Isotopes Numbers Related to Vegetation Numbers Related to Animals Numbers Related to the Human Body Virtues arranged by Number Vices arranged by Number Numbers Related to Kabbalah Books with Numbers in the Title Films with Numbers in the Title Songs with Numbers in the Title Numbers Related to Games and Sport General Number Trivia Astrological Events Geological Events Spiritual Events Occult Events Political Events Links to sites with Number Databases The purpose of this section is to discover unexpected connections between various material and occult phenomena. A great resource for mathematicians. Notable Events for over 2000 years of history: Discover unusual synchronicities in World History. 2000 plus pages.