questions about numbers

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5
votes
1answer
120 views

Adir Hu - mi yodeya?

A popular song sung at the seder is Adir Hu. The song contains many phrases of the pattern: [Adjective] is He. that are grouped together alphabetically with a refrain asking for the speedy ...
3
votes
1answer
69 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 ...
3
votes
1answer
148 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 ...
2
votes
1answer
178 views

How does gematria deal with zero?

I have some questions regarding gematria and zero: which characters of alphabet means zero according to gematric rules? since which time did Jews consider zero as a character equivalent to other ...
1
vote
1answer
148 views

Is there a set of “base”(factor?) midrashic numbers and what are they?

I've always wanted to do an analyses of the Torah based on the numbers given and their midrashic meanings. Specifically, I'm looking for "base" numbers: that is, which are meaningful inherently, not ...
-5
votes
1answer
80 views

Mishneh Torah Statistics

How many halchos are in the Mishneh Torah? How many chapters are in the Mishneh Torah? How many books are in the Mishneh Torah? (How many halachos, and chapters are in every sefer of Mishneh ...
6
votes
0answers
58 views

Division of Al Cheit

Al Cheit has a chorus line ועל כולם, אלוה סליחות, סלח לנו, מחל לנו, כפר לנו after the first 20 Al Cheits, then after the next 12, then after the next 12. Who made this division? Why was it not divided ...
5
votes
0answers
38 views

י-ו as a name of Hashem

Sometimes the letters י-ו seem to serve as a name of Hashem. For example, many authors replace י-ו with טז in a numbering system, presumably so as to not write Hashem's name, similar to replacing י-ה ...
4
votes
0answers
108 views

How many approaches to Torah are there?

Our sages tell us that there are שבעים פנים לתורה (Bamidbar Rabbah). Does this mean that every word, or verse, or some unit, has 70 interpretations, and there are theoretically billions of ...
4
votes
0answers
49 views

Yakkov living in Egypt 17 years - connection to 210 years of servitude

Parshas Vayechi starts off that Yaakov lived in Egypt for 17 years. I was thinking that 17 years x 12 months = 204 months. Usually in 17 years there are 6 leap years which would increase the total ...
4
votes
0answers
80 views

Significance to the number of stripes on a tallis?

For Orthodox Ashkenazim, the most prevalent custom is to wear a tallis gadol with black stripes. In my area, I've noticed that the vast majority (of non-Chabadniks) wear tallesim with five thick black ...
3
votes
0answers
136 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
94 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
69 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
113 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 ...
2
votes
0answers
39 views

Kavanah while washing hands

When washing the hands, either before bread, or in the morning, must you have the correct kavanah (intent)? For example, if i pick up the cup in the morning thinking i'll do 2-2 (like washing for ...
2
votes
0answers
57 views

Shvusim. does amount make a difference

Is there a concept of shvus dishvus with an added shvus making it a rabbinic prohibition 3 times removed. For example if it's yom tov sheini, and the action is rabbinic such as Nolad (turning on a ...
2
votes
0answers
134 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 ...
2
votes
0answers
157 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 ...
1
vote
0answers
31 views

Is there a source for giving charity in round numbers plus one?

This question asks about the (mostly?) Ashkenazic practice of giving charity in multiples of 18. Another custom I have observed is to give charity in round numbers + 1 e.g. $51, $101, $201 etc. This ...
1
vote
0answers
50 views

How many disputed and undisputed Torah Mitzvot are there?

If you combine all the known lists of the "613 Mitzvot" (Rambam, Ramban, Semag, etc.), how many total mitzvot are listed by at least one person as a Mitzvah Deoreitya? I am curious to compare this to ...
1
vote
0answers
66 views

How many sugyot are marked in the 1835 Vilna Printing of the Talmud Bavli?

How many sugyot are marked in the 1835 Vilna printing of the Talmud Bavli? I am defining a sugya by a section divided between "two dots" ( : ) or between the words of mishna and "two dots". I am ...
1
vote
0answers
31 views

How many censuses happened in the desert?

Rashi (Bamidbar 1:1), says: The Lord spoke... in the Sinai Desert... on the first of the month : Because they were dear to Him, He counted them often. When they left Egypt, He counted them (Exod. ...
1
vote
0answers
98 views

Should a parent bless a child resting one hand or both?

When a parent gives the traditional blessing usually done on Shabbat evening should the parent place one hand on the head of the child or two?
0
votes
0answers
35 views

Can a religious person have a favorite number?

Can a religious person have a favorite number? I can't remember where, but I learned somewhere that having a favorite number is not allowed, because it is ascribing "luck" to something other than the ...
0
votes
0answers
48 views

What is the kabbalistic understanding of the name אזבוג״ה?

In the sefer Brit Menucha it mentions the name of God אזבוג״ה which comes from Shemos 15:1. I would like to understand what the kabbalistic associations with this name are. Particularly what is the ...
0
votes
0answers
55 views

How many halachot are detailed in the Mishneh Torah?

How many halachot are detailed in the mishneh Torah? For counting purposes I am only interested in the counting of the author's. Meaning if the mishna torah puts two rules together under one halacha ...
0
votes
0answers
32 views

Yosef's 10% in Israel

Yosef lived in the Holy Land from age six (B'reshis 30:25, 31:41) until age seventeen (Rashi to 37:34). This was eleven years, or 10% of his 110-year lifespan (50:26). Does anyone comment on this ...
0
votes
0answers
103 views

Is two hundred and ten a name of God?

Is there a name of God (derived through gematria, kabbalah or otherwise) associated with the number 210?