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33 is the 21st composite number, and 8th distinct semiprime (third of the form where is a higher prime). [1] It is one of two numbers to have an aliquot sum of 15 = 3 × 5 — the other being the square of 4 — and part of the aliquot sequence of 9 = 3 2 in the aliquot tree (33, 15, 9, 4, 3, 2, 1).
While it is uncertain whether the work ought to be called the Astronomia or Astrologia, [3] either title would translate into English as "astronomy". [4] Athenaeus, who preserves three verbatim fragments of the poem, calls it the Astronomia, as does George Hamartolos (9th century AD). [5] Plutarch and Pliny the Elder, on the other hand, give ...
His talk ‘A love poem for lonely prime numbers’ has over 2 million views. [ 6 ] [ 7 ] A collection of his own poetry, The Sunshine Kid, was published in 2015 by Burning Eye Books. [ 1 ] Baker received major national airplay on the BBC in 2015 when he wrote and performed a poem for Simon Mayo's Radio 2 show . [ 8 ]
A poem of 120 [3] stanzas, it is one of Kālidāsa's most famous works.The work is divided into two parts, Purva-megha and Uttara-megha. It recounts how a yakṣa, a subject of King Kubera (the god of wealth), after being exiled for a year to Central India for neglecting his duties, convinces a passing cloud to take a message to his wife at Alaka on Mount Kailāsa in the Himālaya mountains. [4]
Neutron stars are thought to have high rigidity in the crust, and thus a low Love number: ; [6] [7] isolated, nonrotating black holes in vacuum have vanishing Love numbers for all multipoles =. [ 8 ] [ 9 ] [ 10 ] Measuring the Love numbers of compact objects in binary mergers is a key goal of gravitational-wave astronomy .
However, despite the work's geocentric approach, the Aryabhatiya presents many ideas that are foundational to modern astronomy and mathematics. Aryabhata asserted that the Moon, planets, and asterisms shine by reflected sunlight, [ 10 ] [ 11 ] correctly explained the causes of eclipses of the Sun and the Moon, and calculated values for π and ...
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
The Aryabhatiya presented a number of innovations in mathematics and astronomy in verse form, which were influential for many centuries. The extreme brevity of the text was elaborated in commentaries by his disciple Bhaskara I ( Bhashya , c. 600 CE) and by Nilakantha Somayaji in his Aryabhatiya Bhasya (1465 CE).