Who knows two hundred eighty-seven?

?שבעה ושמונים ומאתים - מי יודע

In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 287.

There are probably references to lazy gematria for this one scattered all over the place.

Check out for the previous two hundred eighty-six entries in this ongoing series.

Please include sources for your information wherever possible, as with all other answers on this site.

  • My upvote just gave you your 10000th reputation point. Mazel Tov! – Double AA Jan 5 '12 at 6:31
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  • @DoubleAA It looks like the fraud catching algorithm deleted all of a user's votes for my stuff. This isn't the first time this has happened. I suspect that some people who like this series vote it up consistently, and the fraud catcher sees that sort of consistent upvote as my stuff as potential sock-puppetry. – Isaac Moses Jan 30 '12 at 22:39

The number of chalakim (that don't add up to a full hour) in a non-leap year is 876; in a leap year it is 589. The difference between these two figures is 287.

(From an allegory on the structure of the Jewish calendar)

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  • 2
    +1. Just to clarify: That's the number of chalakim in (respectively) twelve and thirteen months, molad to molad, not in a calendar year. – msh210 Jan 5 '12 at 6:42

According to The American Jewish Year Book 5675, in Uman in May of 1914, 287 people were tried and acquitted on a charge of demonstrating on Beilis's behalf.

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Various sources say that Britain took 287 refugees from the St. Louis (although others say 288).

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The number 7 appears 287 times in the Tanach.

( I looked it up in the concordance and googled it on Machon Mamre. (on Machon Mamre one of the 7 is listed as 3 score and 10 years, hence the original search gives only 286; searching in Hebrew does not work as it brings up on the variations where שבע appears in a word)

Incidentally 287 is a multiple of 7

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Pele Yoetz

Raui WeHagun

(as always these sources are from my Sefer "Gimtarikon).

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