questions about numbers

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4
votes
1answer
371 views

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 ...
5
votes
1answer
77 views

How to fix incorrect omer count

Suppose someone accidentally counts the wrong day of the omer after making a bracha, and then realizes later that night what he had done. How should he rectify this? Should he count the correct day ...
3
votes
1answer
48 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 ...
6
votes
2answers
250 views

Why is one permutation of the name of God backwards?

If you spell out each letter that makes up the name of God, then add up the gematria (numerical value) of each letter of each fully spelled out letter you get various values. The value depends on how ...
7
votes
1answer
144 views

Why celebrate Lag Ba'Omer on the 33rd according to the MaHaRIL?

There are several different opinions about when the students of Rabbi Akiva died, and which days we mourn for them. Sefer HaToda'ah quotes the Maharil, who says that the students of Rabbi Akiva died ...
3
votes
0answers
96 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 ...
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 ...
5
votes
2answers
65 views

Thought about Sefirah but did not say it verbally

I thought (in the middle of Shemona Esray of mincha) that I must count the first day of sefirah after I finish; but did not do it verbally. Should I continue on to make the brocha from the second day? ...
2
votes
1answer
64 views

Why was Ephraim's count not affected by leaving early?

According to the medrash pirkei deRebbi Eliezer (48) 200,000 Ephraimites left Egypt many years before Moshe took the Jews out and were killed. There are other midrashim and a gemarah which quote ...
4
votes
1answer
126 views

What 12 tribes are meant in many places while there really were 13?

There are many mentions of the "12 tribes" (e.g., the tag of this question). But there really were 13: Ya'akov had 12 sons, of which each was the ancestor of one tribe except Yosef that was the ...
9
votes
1answer
147 views

A year with eight Sh'minis is plenteous?

I've heard an idea that a year (like 5772) in which parashas Sh'mini is read eight times[1] is a particularly auspicious one: the wording of the maxim is something like "sh'mona Sh'mini sh'mena" ([a ...
6
votes
2answers
186 views

“גוט שבת, גוט שבת”

My father, passing someone on the street on שבת, says "גוט שבת, גוט שבת" (Yiddish, "good sabbath, good sabbath"): that is, he repeats himself. I thought it might be his own idio-custom — until I ...
4
votes
2answers
79 views

Arba'a Asar Ushlosh Meyot - mi yodeya?

Who knows three hundred fourteen? ?ארבעה עשר ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 314. Lazy ...
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 ...
5
votes
2answers
122 views

Number of Yamim Tovim that fall on Shabbos

In a given year, a certain number of Yamim Tovim days fall on Shabbos, and a certain number not. What are the minimum and maximum count of Yamim Tovim days that can fall on Shabbos in a single year ...
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 ...
2
votes
2answers
176 views

Correspondence between 365 negative commandments and days of the year?

There are 365 negative commandments which correspond to the days of the (solar) year (see Makos 23b; Tanchuma Ki Seitzeh 2). Apparently the prohibition of Gid HaNasheh (sciatic nerve) corresponds to ...
5
votes
2answers
98 views

When lighting Chanukah candles on both entrances to courtyard, can I use only one candle?

In Hilchos Channukah OC Siman 671 Sif 8 we learn the halacha that if someone has 2 entrances to their courtyard they must light Chanukah candles by both of them. This is so that passers-by won't see ...
3
votes
1answer
61 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
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
96 views

Minimum number of days in the first week of the Hebrew calendar?

Does the first week of Nissan have a minimum number of days? Or does it range from 1-7? If it does have a minimum (greater than 1 ..obviously), why?
1
vote
1answer
572 views

How many prophets were there and who were they?

How many prophets are recognized by Judaism, and what were their names? I found a website that claims the number of prophets is 124000. Is this true? Are all of their speeches or writings ...
6
votes
2answers
84 views

Asara Ushlosh Meyot - mi yodeya?

Who knows three hundred ten? ?עשרה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 310. There is lazy ...
13
votes
7answers
1k views

Pomegranate = 613 seeds?

Has anyone ever counted the seeds of a pomegranate? Is it true that each pomegranate has 613 seeds?
3
votes
0answers
114 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
2answers
93 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
5answers
60 views

Chamisha Ve'arba'im Umatayim - mi yodeya?

Who knows two hundred forty-five? Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will: Upvote all answers I consider relevant and interesting. ...
4
votes
4answers
323 views

Lighting candles Motzei Shabbos

I have seen different Minhagim regarding lighting one or two candles on Motzei Shabbos. What is the source and why 1 or 2?
3
votes
1answer
59 views

Shemona Ushlosh Meyot - mi yodeya?

Who knows three hundred and eight? ?שמונה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 308. If you feel ...
3
votes
4answers
80 views

Shiv'a Ushlosh Meyot - mi yodeya?

Who knows three hundred and seven? ?שבעה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 307. Check out ...
6
votes
2answers
99 views

Shisha Ushlosh Meyot - mi yodeya?

Who knows three hundred and six? ?שישה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 306. And that which ...
10
votes
2answers
163 views

Are T're Asar split at all?

We generally consider T're Asar as one book (as is evident from Bava Basra 14:2). Are there any ways in which we officially treat it as twelve? (Possible ways I can think of that we might are: having ...
2
votes
2answers
565 views

How many Kosher animals were in Noach's Ark?

How many animals total of each Kosher species were in the teivah during the flood?
2
votes
5answers
84 views

Tish'a Ushloshim Umatayim - mi yodeya?

Who knows two hundred thirty-nine? 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 ...
3
votes
3answers
63 views

Chamisha Ushlosh Meyot - mi yodeya?

Who knows three hundred and five? ?חמישה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 305. Don't be led ...
3
votes
2answers
55 views

Arba'a Ushlosh Meyot - mi yodeya?

Who knows three hundred and four? ?ארבעה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 304. It could be ...
7
votes
2answers
316 views

Why when washing for bread do we splash twice?

Is there any particular reason the procedure for washing hands for bread includes pouring the water twice on each hand? Isn't once enough?
4
votes
4answers
115 views

Shelosha Ushlosh Meyot - mi yodeya?

Who knows three hundred and three? ?שלושה ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 303. Lazy ...
2
votes
5answers
161 views

Shisha Ve'arba'im Umatayim - mi yodeya?

Who knows two hundred forty-six? Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will: Upvote all answers I consider relevant and interesting. ...
3
votes
5answers
107 views

Shemona Ve'arba'im Umatayim - mi yodeya?

Who knows two hundred forty-eight? Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will: Upvote all answers I consider relevant and interesting. ...
1
vote
3answers
45 views

Shnayim Ve'esrim Umeya - mi yodeya?

Who knows one hundred twenty-two? 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 ...
15
votes
8answers
542 views

Why is “Shalom Aleichem” always plural?

Why do we say Shalom Alaichem to one person if Alaichem is plural? Is it saying you and all of the Jews? Is that why it's plural?
2
votes
1answer
56 views

Parameters for brov am?

What are they parameters of brov am hadras melech? is it a requirement or a hiddur? does it apply equally to men, women and children? why does it not seem to apply to zimun (preferable to split into ...
2
votes
0answers
159 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 ...
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?
4
votes
3answers
213 views

Why does the gemarah start on daf bet?

Mesechtas in the Bavli shas start on daf bet instead of daf aleph, why is this so? As a child I was told it was to give you incentive to start ("Hey, I'm already on page 2!") but that now seems both ...
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 ...
4
votes
1answer
90 views

Why are disputes in pairs?

The final paragraph of this answer: We do have the tools to derive from the Torah what those Halachos are (Moshe Rabeinu taught them to us), but these rules are very general in nature and ...
7
votes
2answers
293 views

Saying 100 Berachoth in a day

What is the source for the idea that one should say 100 Berachoth in a day, and how serious of an obligation is this? Is it mandatory, is it laudatory, or is it merely a nice idea?