Who knows forty-nine?

Please cite/link your sources, if possible. At some point in the next few days, I will:

  • Upvote all interesting answers.

  • Accept the best answer.

  • Go on to the next number.


6 Answers 6


49 are the times that Nevuchadnetzar performed divination to see whether he'd be successful in conquering Jerusalem; each time Hashem made the results consistently show that it would be so. (Rashi to Ezekiel 21:28)


49 are the days of the Omer.


The Jews were in 49 levels of Tumah when they left Mitzrayim


Vayikra 25:8

וְסָפַרְתָּ לְךָ שֶׁבַע שַׁבְּתֹת שָׁנִים שֶׁבַע שָׁנִים שֶׁבַע פְּעָמִים וְהָיוּ לְךָ יְמֵי שֶׁבַע שַׁבְּתֹת הַשָּׁנִים תֵּשַׁע וְאַרְבָּעִים שָׁנָה׃

You shall count off seven weeks of years—seven times seven years—so that the period of seven weeks of years gives you a total of forty-nine years.


Moshe himself entreated God for clarity, but God refused, transmitting instead forty-nine aspects of purity and forty-nine aspects of impurity. Yerushalmi, Sanhedrin 4:2, Pesikta Rabbati 21:14-5, Midrash Shoḥar Tov 12:4, and Masekhet Sofrim 16:5.


49 = the number of dafim in maseches Shevuot & maseches Sotah*

*colloquially speaking, as technically every daf starts on (ie there are literally 48)

  • 1
    I'm not sure the colloquial number of pages in some printing of a book is that fundamental to Judaism
    – Double AA
    May 29, 2019 at 2:31
  • @DoubleAA there does seem to be precedence for it in the series judaism.stackexchange.com/a/5648/18474 but can delete if you think I should
    – alicht
    May 29, 2019 at 2:33
  • 1
    I haven't upvoted that one either. Interesting can be subjective but at least I'm consistent
    – Double AA
    May 29, 2019 at 2:34

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