Who knows three hundred thirty seven?

שבעה ושלושים ושלוש מאות - מי יודע?‏

The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance to be found for each natural number. Accordingly, there is an ongoing series on Mi Yodeya that is attempting to unearth significant Judaism facts about each number, in sequence.

What significant Judaism facts are there about the number 337? The more significant within Judaism and the more intrinsically dependent on the value 337, the stronger the answer. Please include sources for your information wherever possible, as with all other answers on this site.

Answers that are cheap like lazy gematria are not preferred.

  • This question is in scope according to my rules for the Jewish Stackexchange, but it would seem no one else's...
    – SAH
    Nov 27, 2015 at 1:29
  • That implication is quite a stretch.
    – LN6595
    Nov 27, 2015 at 3:33

4 Answers 4


The entire Halel is recited eighteen days a year in Israel: the first day of Pesach, the day of Shavuos, the seven days of Sukos, the day of Sh'mini Atzeres, and the eight days of Chanuka. Thus, in a non-leap year in which Marcheshvan has thirty days, so the year has 355 days, there are 337 days the complete Halel is not said in Israel.

  • 3
    ...in communities which don't recite the entire Halel on Yemei Atzmaut and Yerushalayim.
    – Double AA
    Feb 23, 2016 at 5:51

Half the number of sheep/goats captured from Midyan was 337.5 thousand. Numbers 31:36, :43.


337 - Year of death of Constantine who summoned the Council of Nicaea, which caused the definite break of cristianity from judaisim.


The number of perakim learned to complete the modern bavli daf yomi cycle.


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