Ahmad ibn Yusuf

835 - 912

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Abu Ja'far Ahmad ibn Yusuf ibn Ibrahim ibn Tammam al-Siddiq Al-Baghdadi (Arabic: أبو جعفر أحمد بن يوسف بن ابراهيم بن تمام الصديق البغدادي; 835–912), known in the West by his Latinized name Hametus, was a Muslim Arab mathematician, like his father Yusuf ibn Ibrahim (Arabic: يوسف بن ابراهيم الصدَيق البغدادي). Read more on Wikipedia

Since 2007, the English Wikipedia page of Ahmad ibn Yusuf has received more than 51,140 page views. His biography is available in 17 different languages on Wikipedia (up from 15 in 2019). Ahmad ibn Yusuf is the 229th most popular mathematician (up from 516th in 2019), the 143rd most popular biography from Iraq (up from 256th in 2019) and the most popular Iraqi Mathematician.

Memorability Metrics

  • 51k

    Page Views (PV)

  • 59.05

    Historical Popularity Index (HPI)

  • 17

    Languages Editions (L)

  • 11.12

    Effective Languages (L*)

  • 1.06

    Coefficient of Variation (CV)

Page views of Ahmad ibn Yusufs by language

Over the past year Ahmad ibn Yusuf has had the most page views in the with 6,021 views, followed by Arabic (2,073), and Persian (1,733). In terms of yearly growth of page views the top 3 wikpedia editions are Catalan (304.51%), Serbo-Croatian (289.13%), and Egyptian Arabic (171.50%)


Among mathematicians, Ahmad ibn Yusuf ranks 229 out of 1,004Before him are Anatoly Fomenko, Maria Reiche, Israel Gelfand, Pierre Varignon, L. E. J. Brouwer, and S. R. Ranganathan. After him are Élie Cartan, Piet Hein, Joseph Petzval, Seymour Papert, Gilles de Roberval, and Nikolay Bogolyubov.

Most Popular Mathematicians in Wikipedia

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Among people born in 835, Ahmad ibn Yusuf ranks 5Before him are Louis the Younger, Lothair II, Ahmad ibn Tulun, and Siemowit. After him is Conrad II, Duke of Transjurane Burgundy. Among people deceased in 912, Ahmad ibn Yusuf ranks 8Before him are Leo VI the Wise, Ibn Khordadbeh, Otto I, Duke of Saxony, Abdullah ibn Muhammad al-Umawi, Zhu Wen, and Rudolph I of Burgundy. After him are Notker the Stammerer, and Smbat I of Armenia.

Others Born in 835

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Others Deceased in 912

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In Iraq

Among people born in Iraq, Ahmad ibn Yusuf ranks 143 out of 384Before him are Al-Muti (914), Ibn al-Nadim (1000), Zubaidah bint Ja`far (766), Pacorus II (50), Al-Muttaqi (908), and Al-Khalil ibn Ahmad al-Farahidi (718). After him are Al-Qa'im (1001), Uday Hussein (1964), Sin-shumu-lishir (-700), Ar-Radi (909), Ninus (null), and Al-Muqtadi (1056).

Others born in Iraq

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Among mathematicians born in Iraq, Ahmad ibn Yusuf ranks 1After him are Muḥammad ibn Ibrāhīm al-Fazārī (746), Abu Mansur al-Baghdadi (980), Al-Samawal al-Maghribi (1130), Yaʿqūb ibn Ṭāriq (800), and Ibrahim ibn Sinan (908).