Zoroaster his subjects to adopt the religion of the Magians. Recalling other tradition, al-Tabari (i.681–683) recounts that Zaradusht accompanied a Jewish prophet to Bishtasb/Vishtaspa. Upon their arrival, Zaradusht translated the sage's Hebrew teachings for the king and so convinced him to convert (Tabari also notes that they had previously been "Sabi"s) to the Magian religion. The 12th-century heresiographer al-Shahrastani describes the Majusiya into three sects, the "Kayumarthiya", the "Zurwaniya" and the "Zaradushtiya", among which Al-Shahrastani asserts that only the last of the three were properly followers of Zoroaster. As regards the recognition of a prophet, Zoroaster has said: "They ask you
Zoroaster he himself had invoked, and even, that the stars killed him in revenge for having been restrained by him. The alternate Greek name for Zoroaster was Zaratras or Zaratas/Zaradas/Zaratos. Pythagoreans considered the mathematicians to have studied with Zoroaster in Babylonia.Lydus, in "On the Months", attributes the creation of the seven-day week to "the Babylonians in the circle of Zoroaster and Hystaspes," and who did so because there were seven planets. The Suda's chapter on "astronomia" notes that the Babylonians learned their astrology from Zoroaster. Lucian of Samosata, in "Mennipus" 6, reports deciding to journey to Babylon "to ask one of