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263 is an irregular prime, an Eisenstein prime, a long prime, a Chen prime, a Gaussian prime, a happy prime, a sexy prime, a safe prime, and a Higgs prime.
263 bcThe Athenians and Spartans, worn down by several years of war and the devastation of their lands, make peace with Antigonus II of Macedonia who thus retains his hold on Greece.
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264 is a number I can't think of anything to sound clever about with. Deeerrrppp... XD
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265 BC: The Archimedes screw for raising water is devised by the Greek mathematician Archimedes, who is studying at Alexandria.
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266....I thinks there's something I have to fix. Guess I'll hit it with a stick.
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268 ad : Year of the Consulship of Paternus and Egnatius
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year 269: Saint Valentine executed by Claudius II
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271
Two hundred [and] seventy-one prime, twin prime with 269, cuban prime, centered hexagonal number, sum of eleven consecutive primes (7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43).
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American composer John Cage's piano composition 4′33″ consists of 273 seconds (four minutes and 33 seconds) of silence, in three movements.
also the date for A "Chakravartin" ruler in 273 BC 0.0
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275 bc The Museum of Alexandria is founded by the Egyptian King Ptolemy II.
Count to a million
![[Image: 36ed4971225c464e.png]](https://sigs.enjin.com/sig-ffxivarr/36ed4971225c464e.png)