questions about numbers

learn more… | top users | synonyms

5
votes
2answers
112 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
69 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 ...
5
votes
1answer
101 views

Achad Asar Ushlosh Meyot - mi yodeya?

Who knows three hundred eleven? ?אחד עשר ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 311. Give up on ...
2
votes
2answers
143 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 ...
3
votes
2answers
87 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
59 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
47 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
86 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
448 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
78 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?
2
votes
0answers
105 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
83 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
58 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. ...
1
vote
0answers
128 views

Pidyon HaBen rate

About how many pidyon haben ceremonies are required to be performed per 1000 Jewish births in the past few decades? The requirements for a pidyon haben are: Both parents are Israel, not Kohen or ...
2
votes
4answers
65 views

Shisha Vachamishim Umeya - mi yodeya?

Who knows one hundred fifty-six? 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 ...
4
votes
4answers
273 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
55 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
78 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
94 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
162 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
3answers
429 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
61 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
53 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
262 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
114 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
159 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
106 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
44 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 ...
14
votes
8answers
477 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?
1
vote
1answer
52 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
109 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
0answers
128 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
92 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
174 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
49 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 ...
1
vote
1answer
82 views

The mishkan and the fencepost problem

Rashi (Shemos 26:6,26) counts out the number of poles for the chazer on each side in parshas Terumah. He seems to ignore what is called the Fencepost Problem. The same problem exists for the 20 amah ...
8
votes
5answers
516 views

Why do some people wrap their Tefilin around their arms 8 times?

I have seen people who wrap the Tefilin 7 times around their arm and some that wrap it 8 times around their arm. Why do the people who wrap it 8 times do so?
4
votes
1answer
78 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
248 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?
6
votes
3answers
168 views

When does counting 100 Brochos per day start and end?

There's a Halacha/Mitzvah to say at-least 100 Brochos a day. My question is: what does the term "day" mean in this regard. Does a day start at night, and end the following night (as is the case in ...
4
votes
1answer
175 views

How could boiling 3 eggs at a time help?

A lot of people have a custom of boiling 3 eggs at a time, as mentioned here, among any other places. One reason given for this practice is that if one egg turns out to be unkosher, the remaining two ...
4
votes
1answer
100 views

Can you explain this weird pattern in Eicha?

I'm not into "bible codes" but I noticed that in the the 3rd and 5th perakim of Eicha every pasuk is no less than 4 words and no more than 7. This is if you count hyphenated words as 1 word (I'm using ...
2
votes
4answers
65 views

Arba'a Ve'arba'im Umatayim - mi yodeya?

Who knows two hundred forty-four? 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 ...
13
votes
17answers
407 views

Shelosh Meyot - mi yodeya?

Who knows three hundred? ?שלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 300. Check out mi-yodeya-series ...
2
votes
6answers
78 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 ...
3
votes
5answers
66 views

Echad Veshiv'im Umatayim - mi yodeya?

Who knows two hundred seventy-one? Please cite/link your sources, if possible. At some undetermined point in the future, at least a day from now, I will: Vote up all interesting, relevant answers. ...
8
votes
1answer
253 views

Differences between RaMbaM and RaMbaN's mitzvah count

I know both of the Rambam and Ramban listed all 613 mitzvos, and they differ in some (I think like 16ish?) What are the ones upon which they differ? If possible please include why they differ in ...
5
votes
0answers
77 views

42 camps and 42 non-refuge Levite cities (Masei)

What is the significance of the numerical correspondence between the 42 camps or waypoints mentioned in the recounting of the forty years of wandering (Bamidbar 33) and the fact that 42 of the 48 ...