questions about numbers

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3
votes
2answers
255 views

The number of Challot on Shabbat and salt

If my understanding is correct we use two Challot on Shabbat to represent the two portions of mana the Jews received in the desert of Friday to prevent them from having to collect on Shabbat. We use ...
3
votes
2answers
67 views

Shisha Ushmonim Umatayim - mi yodeya?

Who knows two hundred eighty-six? ?ששה ושמונים ומאתים - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 286. In casting ...
3
votes
2answers
722 views

Minimum Number of Days before Hefsek Tahara: Sephardi vs. Ashkenazi

Why do Sepharadi keep a minimum of four days and Ashkenazi keep a minimum of 5 days before hefsek tahara? What is the underlying reason behind this difference?
3
votes
2answers
96 views

Tish'a Ushlosh Meyot - mi yodeya?

Who knows three hundred nine? ?תשעה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 309. Swim not in the ...
3
votes
3answers
47 views

Echad Ushmonim Umataym - mi yodeya?

Who knows two hundred eighty-one? ?אחד ושמונים ומאתים - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 281. The lazy ...
3
votes
1answer
63 views

Shnayim Ushloshim Ushlosh Meyot - mi yodeya?

Who knows three hundred thirty two? שנים ושלושים ושלוש מאות - מי יודע?‏ The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance to ...
3
votes
1answer
76 views

Shisha Ve'esrim Ushlosh Meyot - mi yodeya?

Who knows three hundred twenty-six? ?שישה ועשרים ושלוש מאות - מי יודע The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance to be ...
3
votes
1answer
143 views

38 years or 40 years in the desert?

I'm confused regarding several apparently contradictory verses: Bamidbar 14:33 says that B;nai Yisra'el will wander the desert for 40 years. In Devarim 1:19 - 22, Moshe says that they arrived at ...
3
votes
1answer
72 views

Number of righteous necessary to save Sedom

Regarding the number of righteous necessary to save Sedom (Bereishis 18:23-33), Rashi and all the other commentaries I have seen (Kli Yakar, Seforno, Or Hachaim, others) explain the descending order ...
3
votes
1answer
72 views

Why is it called Berachah Me'Ein Shalosh, and not Arba'?

Why is the blessing recited after eating the 7 Species of Israel called Berachah Me'Ein Shalosh, (one that is equivalent to three) and not Berachah Me'Ein Arba' (one that is equivalent to four)? The ...
3
votes
1answer
51 views

מֵאַבְנֵי (Gen. 28:11) and הָאֶבֶן (Gen. 28:18)

Do any commentaries mention a reason for the plural "stones" in Gen. 28:11 and the singular "stone" in Gen. 28:18? In Gen. 28:11, it says that Ya'akov took "of the stones" (מֵאַבְנֵי) and put them ...
3
votes
1answer
83 views

Bamidbar: What makes Shimon different?

During krias haTorah, I noticed that while during the counting, most tribes were counted like this (taking Yehuda as an example): לבני יהודה תולדתם למשפחתם לבית אבותם במספר שמות מבן עשרים שנה ...
3
votes
1answer
435 views

Meaning of a Double Rainbow

After my mum died and while we were planning for her funeral, during one dramatic day after we had left the funeral home, my dad and I saw a giant double rainbow in the sky. I understand that single ...
3
votes
1answer
110 views

Electric menorah and the timing of sunset

Assuming one has an electric menorah in their window, but will not be returning home until well after dark, what is the appropriate thing to do? Activate the next night's bulb in advance, so that ...
3
votes
1answer
49 views

Chamisha Asar Ushlosh Meyot - mi yodeya?

Who knows three hundred fifteen? ?חמישה עשר ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 315. Is there a ...
3
votes
2answers
71 views

Shelosha Asar Ushlosh Meyot - mi yodeya?

Who knows three hundred thirteen? ?שלושה עשר ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 313. Lazy ...
3
votes
1answer
63 views

Shnaim Asar Ushlosh Meyot - mi yodeya?

Who knows three hundred twelve? ?שנים עשר ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 312. Don't dwell ...
3
votes
2answers
35 views

Chamisha Veshiv'im - mi yodeya?

Who knows seventy-five? 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.
3
votes
2answers
108 views

amount of wood needed for the mizbeach (altar)

The Talmud (Yoma 39a) says that during the 40 years shimon hatzadik was high priest only two logs were added to the altar in the temple every day. Is this to be taken literally? Also, what was the ...
3
votes
1answer
255 views

What is the halachic status of adult conjoined twins?

It is rare but possible for conjoined twins to remain alive and healthy into adulthood, such as is the case with Abby and Brittany Hensel. They have distinct sets of heads, hearts, and lungs. They ...
3
votes
1answer
58 views

Chamisha Ushloshim Ushlosh Meyot - mi yodeya?

Who knows three hundred thirty five? חמישה ושלושים ושלוש מאות - מי יודע?‏ The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance to ...
3
votes
2answers
40 views

Sheloshim Ushlosh Meyot - mi yodeya?

Who knows three hundred thirty? ?שלושים 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 ...
3
votes
1answer
96 views

Counting Jews with non-Jews

There is a prohibition of counting Jews (see here) for a number of reasons: 1) Out of love for His people, G‑d counted us at important junctures of our history. The completion of the Tabernacle ...
3
votes
1answer
122 views

Why are there four types of execution?

Why are there four types of execution? Wouldn't it be enough if there were only one type of execution? Lashes for example are only of one type and the standard 40 lashes.
3
votes
1answer
85 views

How long is this week's parasha as compared to others?

We read parashas Ekev today. My kid noted that it's listed as having 111 verses, and asked me whether that's a long parasha. I didn't know where it lies among the parashiyos, so I ask: What are the ...
3
votes
2answers
306 views

Is it a popular notion that a Jew should “have at least three children…”?

I have heard it said, "Every Jew must have at least three children (though more is preferable). Two to replace the parents when they die, and at least one more to make up for those lost in the ...
3
votes
1answer
46 views

Why for repetition of Shomne Esray you need only 6 that prayed but 9 that will answer?

I was asked the following question: For the repetition of the Shemone Esray, you need only 6 to finish praying to begin the repetition. However, there must be 9 people answering Amen to the ...
3
votes
1answer
79 views

Multiple Olim for a single Aliyah

In the past, I have davened at a Chabad on Simchat Torah. Their custom is to call up multiple individuals per aliyah rather than having multiple kriot. The only other places I have seen this was at ...
3
votes
1answer
250 views

How was Moses able to speak to at least 600,000 people?

The book of Exodus says that Israelites had 600,000 men of fighting age. And often it has paragraphs like this: Exodus 35:4 (JPS): And Moses spoke unto all the congregation of the children of ...
3
votes
1answer
110 views

Did Moshe know beforehand that there would be 10 plagues?

I was wondering whether, before the first time Moshe went to Pharaoh, he knew that there would be 10 plagues, and what they would be.
3
votes
2answers
124 views

What is the problem with writing שט as a number?

In Hebrew, numbers are represented by letters. When these letters spell out something unpleasant or undesirable, they are moved around. An example is שד which means “demon” becomes דש in the Mishna ...
3
votes
2answers
329 views

Is there a special significance of 4 directions as opposed to 6?

According to halacha, when a person says the word "echad" (אחד) in Shema: בדלי"ת צריך להאריך יותר כדי שיעור שיחשוב שהקב"ה יחיד בעולמו ומושל בד' רוחות העולם [One should] draw out the dale more ...
3
votes
0answers
99 views

Ratio between gentile vs jewish persons for jews to consider

I am interested to know, according to written law, if there is something like a ratio or relativization to consider between people of the tribe and gentiles that a Jew is bound to. Is there's such a ...
3
votes
0answers
169 views

Women having more than one set of earrings?

I've heard women can only have one earring (on each ear). Where is the source for this? I know some women who have earrings going up their ear, which is not that tznius, but is it against halacha?
3
votes
0answers
109 views

One Challah or Two?

If two challahs are braided and baked together on one pan, and before they are completely baked, they have stuck together, do I have one challah or two? I.e. can I separate them and still have two ...
3
votes
0answers
71 views

Can “Three D'Rabbanans be 'motzei' ”Two D'Rabbanans"

We know that when there is a case of someone that is obligated to perform a mitzvah m'drabbanan (and in fact there are 2 d'rabbanans together) they can't be "motzei" someone in the mitzvah who only ...
3
votes
0answers
160 views

Relations twice as segulah for boy — What about zugos?

I had asked what is the source for the segulah of having relations twice in order to have a boy. I first asked this in order to obtain a source to better ask this question. The Gemorah says in Niddah ...
3
votes
0answers
132 views

Why are there only a finite number of people?

If the purpose that we ascribe as the reason for creation (as stated in the Ramchal's Derech Hashem, Klach Pischei Chochma and other works) is for God to bestow his goodness unto creation (bearing in ...
3
votes
0answers
183 views

What do Chazal mean when they say that when Moshiach comes there will be another note added to the octave making a total of 8 notes?

Related: What were Chazal referring to when they said there were 7 notes in a musical octave? There is a well known Medrash (anyone help with the source?) [I think on the Posuk 'Lamnatzeich Al ...
3
votes
0answers
182 views

What were Chazal referring to when they said there were 7 notes in a musical octave?

Related: What do Chazal mean when they say that when Moshiach comes there will be another note added to the octave making a total of 8 notes? There is a well known Medrash (anyone help with the ...
3
votes
1answer
76 views

Source for 3 and only 3 Temples

Is Yirmiyahu 7:4 the source for the idea that there won't be a 4th Temple? If not, what is? ד אַל-תִּבְטְחוּ לָכֶם, אֶל-דִּבְרֵי הַשֶּׁקֶר לֵאמֹר: הֵיכַל יְהוָה הֵיכַל יְהוָה, הֵיכַל יְהוָה ...
2
votes
10answers
117 views

Shisha Ve'esrim - mi yodeya?

Who knows twenty-six? Please cite/link your sources, if possible. After about one business day, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
2
votes
11answers
276 views

Echad Ve'esrim - mi yodeya?

Who knows twenty-one? Please cite/link your sources, if possible. After about one business day, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
2
votes
7answers
101 views

Shneim Asar Umeya - mi yodeya?

Who knows one hundred twelve? Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will: Upvote all interesting answers. Accept the best answer. Go on to ...
2
votes
6answers
80 views

Shelosha Ushloshim Umeya - mi yodeya?

Who knows one hundred thirty-three? Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will: Upvote all interesting answers. Accept the best answer. Go ...
2
votes
9answers
54 views

Shnayim Veshiv'im - mi yodeya?

Who knows seventy-two? 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.
2
votes
7answers
135 views

Shisha Asar - mi yodeya?

Who knows sixteen? Please cite/link your sources, if possible. After about one business day, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
2
votes
7answers
117 views

Achad asar - mi yodeya?

Who knows eleven? Please cite/link your sources, if possible. At some point after Pesach, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
2
votes
8answers
164 views

Echad Ve'arba'im - mi yodeya?

Who knows forty-one? Please cite/link your sources, if possible. After about one business day, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
2
votes
9answers
72 views

Sheloshim Umeya - mi yodeya?

Who knows one hundred thirty? Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will: Upvote all interesting answers. Accept the best answer. Go on to ...