Thābit ibn Qurra (full name: Abū al-Ḥasan ibn Zahrūn al-Ḥarrānī al-Ṣābiʾ, Arabic: أبو الحسن ثابت بن قرة بن زهرون الحراني الصابئ, Latin: Thebit/Thebith/Tebit;...

In number theory, a Thabit number, Thâbit ibn Qurra number, or 321 number is an integer of the form 3 ⋅ 2 n − 1 {\displaystyle 3\cdot 2^{n}-1} for a non-negative...

could be derived was invented circa 850 by the Iraqi mathematician Thābit ibn Qurra (826–901). Other Arab mathematicians who studied amicable numbers are...

Ibrahim ibn Sinan (Arabic: Ibrāhīm ibn Sinān ibn Thābit ibn Qurra, ابراهيم بن سنان بن ثابت بن قرة; born 295 – 296 AH/c. 908 in Baghdad, died: 334-335...

Abū Saʿīd Sinān ibn Thābit ibn Qurra (Arabic: أبو سعيد سنان بن ثابت بن قرة), c. 880–943, was a medieval scholar who served as the court physician of the...

translators, among whom were Abū 'Uthmān al-Dimashqi, Ibn Mūsā al-Nawbakhti, and Thābit ibn Qurra, to translate books of philosophy and classical Greek...

Thabit ibn Qays, companion of Muhammad Thabit ibn Qurra (c. 826 – 901), Baghdadi mathematician and astronomer Thabit number Tabit (town) (or Thabit)...

members, most notably the Harranian astronomers and mathematicians Thabit ibn Qurra (died 901) and al-Battani (died 929). From the early tenth century...

Baghdad from Byzantium, Muhammad met and recruited Thābit ibn Qurra, a money changer from Harran. Thābit went on to make important discoveries in algebra...

(2009a). "Thabit ibn Qurra sur l'existence et l'infini: les réponses aux questions posées par Ibn Usayyid". In Rashed, Roshdi (ed.). Thābit ibn Qurra: Science...

made corrections to the Book of Lemmas as translated into Arabic by Thabit ibn Qurra and last revised by Nasir al-Din al-Tusi. Al-Nasawī's arithmetic explains...

Na‘īm ibn Mūsā (Arabic: نعيم بن موسى) was a mathematician of the Islamic Golden Age and a pupil of Thabit Ibn Qurra. Na'im was from Baghdad and lived...

written mention is made of Shrewsbury (West Midlands). February 18 – Thābit ibn Qurra dies at Baghdad, having served as court astronomer to the Abbasid Caliph...

MR 0698139 Rashed, Roshdi (2009), "Thābit ibn Qurra et l'art de la mesure", in Rashed, Roshdi (ed.), Thābit ibn Qurra: Science and Philosophy in Ninth-Century...

Hunayn ibn Ishaq translated the entire collection of Greek medical books, including famous pieces by Galen and Hippocrates. The Sabian Thābit ibn Qurra (826–901)...

opposite side a and a side with length s along c, as shown in the figure. Thābit ibn Qurra stated that the sides of the three triangles were related as: a 2 +...

been translated a century before by Hilal al-Himsi (books 1–4) and Thabit ibn Qurra (books 5–7). List of Iranian scientists Keramati, Yunis. "Abu'l-Fath...

interest in mathematics and astronomy. His contemporary, the polymath Thābit ibn Qurra, was also an adherent of Sabianism, which died out during the 11th...

mathematics, Alhazen built on the mathematical works of Euclid and Thabit ibn Qurra and worked on "the beginnings of the link between algebra and geometry"...

members, most notably the Harranian astronomers and mathematicians Thabit ibn Qurra (died 901) and al-Battani (died 929). There has been some speculation...

prominent scholars of their age, including Al-Battani, Jabir ibn Hayyan and Thābit ibn Qurra, studied at the Harran University. The university was also...

of the name of the 9th century Iraqi astronomer and mathematician Thābit ibn Qurra. By convention these features are identified on lunar maps by placing...

and observations he used in De Revolutionibus, namely al-Battani, Thabit ibn Qurra, al-Zarqali, Averroes, and al-Bitruji. It has been suggested that the...

Maʾkhūdhāt Mansūba ilā Arshimīdis) is a book attributed to Archimedes by Thābit ibn Qurra, though the authorship of the book is questionable. It consists of...

for expressing a fraction as the sum of unit fractions. 895 – Syria, Thābit ibn Qurra: the only surviving fragment of his original work contains a chapter...

oppressors and nonbelievers. The 10th century ‘Abbasid mathematician, Thabit ibn Qurra, was considered to be an expert on talismans. In one of his texts on...

discovered Pascal's Triangle, Xu Guangqi (1562–1633), and many others. Thābit ibn Qurra, using what he called the method of reduction and composition, provided...

scholars hired by the Banu Musa brothers along with Hunayn ibn Ishaq, Thabit Ibn Qurra, Qusta Ibn Luqa and Al Himsi. The Banu Musa brothers were mathematicians...

his book Kitab al-Asrar (Book of Secrets). Mathematics 826 – 901: Thabit ibn Qurra (Latinized, Thebit.) Studied at Baghdad's House of Wisdom under the...

the Arab astronomer Thābit ibn Qurra, but this model has also been attributed to Ibn al-Adami and to Thabit's grandson, Ibrahim ibn Sinan. In this trepidation...