questions about numbers

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3
votes
1answer
212 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 ...
1
vote
5answers
137 views

Is it true that every 50th letter of the Hebrew Pentateuch text spells the word “Torah”?

According to some online sources, if you take every 50th letter of the first two books of the Torah, you'll end up with a repetition of the word "Torah". And the same applies but backwards for the 4th ...
5
votes
7answers
3k views

A natural explanation for the significance of the numbers 7 and 40

In the Jewish religious texts the numbers 7 and 40 seem to appear quite often and carry special significance. Some examples among many: God's creation lasts 7 days The Great Flood was from rain ...
5
votes
2answers
705 views
+50

Why did God take 7 days to create the world?

Generally we assume that God is omnipotent, and could have created the world in a single day\act, so He must have had a reason to organize creation into 7 days. Why? In other words: Why didn't God ...
16
votes
4answers
373 views

the aggadic concept of a finite number of words to speak

Is there any truth to the common claim that each person has a predetermined number of words that he can speak in his life? Source, please. If so, then how does it work? In particular (with sources or ...
4
votes
2answers
154 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 הֵמָּה.&...
2
votes
3answers
200 views

40 consecutive days of prayer at the Western Wall

I heard that a Jewish tradition says that praying for 40 consecutive days at the Western Wall ensures the prayer will be answered. Does anyone where the source for this is?
0
votes
1answer
19 views

Covenant between the pieces: dividing and keeping it whole

In the covenant between te pieces (ברית בין הבתרים) all the animals had to be cut into two parts, but the two birds (dove תר and pigeon גוזל) are refered to as literally one bird (ואת הצפר לא בתר) ...
4
votes
1answer
206 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
2answers
120 views

Shemona Ushloshim Ushlosh Meyot - mi yodeya?

Who knows three hundred thirty eight? שמונה ושלושים ושלוש מאות - מי יודע?‏ The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance ...
4
votes
2answers
92 views

Where do we get the number for how many alyot in the torah reading?

We know that 7 people are called for reading torah at shabbat shakharit (and one for the maftir), but we find that the number drops down to 3 at minkha and again on weekdays (Monday & Thursday). ...
10
votes
2answers
4k views

Why do people keep saying 12 tribes of Israel when there are 13?

The Encyclopædia Britannica article “Twelve Tribes of Israel” says (emphasis added), Jacob’s first wife, Leah, bore him six sons: Reuben, Simeon, Levi, Judah, Issachar, and Zebulun. Each was the ...
9
votes
5answers
138 views

Sefiras Haomer Counting Direction

When we count the Sefiras Haomer, why do we count up and not down?
1
vote
0answers
37 views

Where can one find a complete guide to Hebrew numerals?

I am looking for an instruction resource on Hebrew numerals that is comprehensive, insofar as it: lists all (or nearly all) of the euphemistic exceptions in frequent use (such as "chai" for 18, רחץ ...
2
votes
1answer
35 views

Questions regarding counting for Shemitta and Yovel

Leviticus 25:8 (Sefaria English translation): וְסָפַרְתָּ֣ לְךָ֗ שֶׁ֚בַע שַׁבְּתֹ֣ת שָׁנִ֔ים שֶׁ֥בַע שָׁנִ֖ים שֶׁ֣בַע פְּעָמִ֑ים וְהָי֣וּ לְךָ֗ יְמֵי֙ שֶׁ֚בַע שַׁבְּתֹ֣ת הַשָּׁנִ֔ים תֵּ֥שַׁע ...
13
votes
42answers
689 views

Meya - mi yodeya?

Who knows one hundred? Please cite/link your sources, if possible. At some point in the future, subject to holiday and user activity delay, I will: Upvote all interesting answers. Accept the best ...
5
votes
1answer
71 views

Number of sages in the Sanhedrin of Yavneh

According to Sanhedrin 1:6, the Sanhedrin in Jerusalem had either seventy or seventy-one sages. But according to Zevachim 1:3, Yadayim 3:5 and 4:2, there were seventy-two sages in Yavneh on the day ...
3
votes
3answers
586 views

Is the number triple-6 good, bad, or neutral in Judaism?

Is the number triple-6 good, bad, or neutral in Judaism? How about numeric variations and combinations such as 216? I know that 18 means 'life' due to Gematria calculations.
2
votes
1answer
45 views

Where does the idea that 7 is the number of completeness come from?

I've heard often that the number 7, when seen in scripture, mean completeness or fullness in some way. I'm aware that the number 7 exists many times in scripture, but nowhere does it state or ...
5
votes
12answers
187 views

Shelosha Asar - mi yodeya?

Who knows thirteen? 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. (What, you ...
1
vote
4answers
45 views

Chamisha Vachamishim - mi yodeya?

Who knows fifty-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
7answers
80 views

Tish'a Asar - mi yodeya?

Who knows nineteen? 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
6answers
57 views

Shelosha Veshiv'im - mi yodeya?

Who knows seventy-three? 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
6answers
57 views

Shnayim Vachamishim - mi yodeya?

Who knows fifty-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
6answers
57 views

Shelosha Vachamishim - mi yodeya?

Who knows fifty-three? 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.
9
votes
20answers
263 views

Asara - mi yodeya?

Who knows ten? Please cite/link your sources, if possible. At some point on Chol Hamo'ed, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
2
votes
6answers
68 views

Shemona Ushloshim - mi yodeya?

Who knows thirty-eight? 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.
1
vote
4answers
57 views

Achad Asar Umatayim - mi yodeya?

Who knows two hundred eleven? 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 ...
0
votes
2answers
39 views

Shisha Vachamishim - mi yodeya?

Who knows fifty-six? 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
2answers
52 views

Shiv'a Ve'arba'im - mi yodeya?

Who knows forty-seven? 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.
0
votes
6answers
52 views

Chamisha Umeya - mi yodeya?

Who knows one hundred five? 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 ...
0
votes
6answers
53 views

Shemona Ve'arba'im - mi yodeya?

Who knows forty-eight? 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
11answers
319 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.
4
votes
0answers
45 views

Meaning in the Tur's chapter numbers

I've heard that the chapter in Tur (and, consequently, Shulchan Aruch) that deals with the shofar is number 586, the gimatriya of "shofar". I've also heard that the chapter number (240) for tz'nius (...
1
vote
0answers
33 views

Why is pesach 7 days long [duplicate]

We are commanded to keep Pesach for 7 days in the Torah. I'm wondering if any reasons have been developed by anyone throughout Jewish history for why 7 days. In other words, what is the significance ...
3
votes
3answers
144 views

why only 2 matzos used for seder by the Vilna Gaon

Why did the Vilna Gaon only use 2 matzos for his seder? The Rif also did that-- why?
18
votes
4answers
1k views

Why isn't the Kabbalistic doctrine of Sefirot considered Shittuf if the Christian Trinity is?

From the answers to this question it seems that most if not all Jewish sources treat Trinitarian Christianity (in particular, their doctrine of the Trinity) as either Shittuf or outright Avoda Zara, ...
-1
votes
2answers
57 views

Why do tefilin have so many mitzvot in itself?

I heard from someone and read through some books that the mitzvah of tefilin sum up to 8. While in general we know that every good deed or commandment we observe is a single mitzvah, why is tefilin ...
2
votes
8answers
155 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.
1
vote
3answers
49 views

Shelosha Asar Umeya - mi yodeya?

Who knows one hundred thirteen? 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 ...
1
vote
2answers
83 views

The number 7,what is the number seven?

Seven days days in a week,7 years, 70 years. The number 7 seems to complete many things in history and in the calender. What is so important with the number 7? WHy is number 7? Why is so many things ...
2
votes
3answers
217 views

Significance of number 613 regarding the mitzvot

According to the Talmud (Makos 23b) "Moshe received 613 Mitzvos. They are 365 Lavim (negative commandments), corresponding to the days of the (solar) year, and 248 Mitzvos Aseh (positive commandments),...
4
votes
2answers
2k views

Why is the age of 30 important in the Bible?

Why is the age of 30 important in the Bible? Joseph, Ezekiel, and many more were all around 30 yrs old.
1
vote
0answers
16 views

Parshat Shmini Building of the Mishkan “Vayehi” linked to “Vayehi” in Bereshit, is it linked to 7 days of creation?

Leviticus Chapter 9 ‏ א וַיְהִי, בַּיּוֹם הַשְּׁמִינִי, קָרָא מֹשֶׁה, לְאַהֲרֹן וּלְבָנָיו--וּלְזִקְנֵי, יִשְׂרָאֵל. ‏ 1 And it came to pass on the eighth day, that Moses called Aaron and ...
4
votes
1answer
128 views

Why there were exactly 10 plagues?

Why did G-d punish the Egyptians with exactly 10 plagues, not less, not more? What is the significance of 10?
11
votes
21answers
511 views

Shiv'a - mi yodeya?

Who knows seven? (I mean really, who doesn't?) Please cite/link your sources, if possible. In about one business day, I will: Upvote all interesting answers. Accept the best answer. Go on to the ...
0
votes
2answers
96 views

Is the number 6 considered evil in Judaism?

I have heard from some sources that the number six is/can be construed as an evil number in Judaism, and as such, it should be avoided. Is there truth to this? If so, what is the reasoning behind ...
23
votes
8answers
1k views

Why the vast difference of opinion about the age of the Universe?

5770 and 13,000,000,000 is a big difference! I am looking for a good explanation to the difference opinion of the age of the universe. Please help me out!
11
votes
30answers
448 views

Shisha - mi yodeya?

Who knows six? Please cite/link your sources, if possible. In about one business day, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
4
votes
2answers
107 views

What are the “four worlds” in Kabbalah?

A friend told me something about there being "four worlds" in Judaism. I think he was referencing something about Kabbalah (though I'm far from an expert at that). I was wondering: What are these "...