questions about numbers

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3
votes
12answers
145 views

Shemona - mi yodeya?

Who knows eight? 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.
1
vote
0answers
91 views

7+7 clean animals(Noach 7:2)

Why is the clean animals mentioned only once and the rest of animals(a pair) is mentioned numerous times with the omission of the clean .
4
votes
2answers
320 views

Which insects are not kosher?

In Vayikra (11:23) it says: But all winged swarming things, which have four feet, are a detestable thing unto you. On which Rashi (quoting the Sifra aka Toras Cohanim) says: Go and learn if there ...
4
votes
3answers
68 views

Shelosha Ushloshim Ushlosh Meyot - mi yodeya?

Who knows three hundred thirty three? שלשה ושלושים ושלוש מאות - מי יודע?‏ The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance ...
3
votes
0answers
131 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 ...
2
votes
1answer
38 views

Why different pesach:chagiga ratios depending on kohen status?

In King Yoshiahu's Pesach celebration (famous among diaspora Jews from the haftara of the second day of Pesach and among Israeli Jews because they know Nach), a good many animals were slaughtered. ...
8
votes
1answer
172 views

Why does the tribe of Gad have an unusual population count in Bamidbar 1?

When listing the census of the tribes in Bamidbar 1, only the tribe of Gad has the count 45,650 - I.e. - the count is not exactly on the hundreds as it is with all the other tribes. As the count was ...
8
votes
3answers
386 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
1answer
78 views

Why 2 candles for yom tov

For Shabos, there is a custom to light 2 candles: one for shamor and one for zachor. Shulchan aruch harav 263.1: ‏…אחד כנגד זכור ואחד כנגד שמור…‏ I understand that on ...
2
votes
9answers
75 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 ...
5
votes
1answer
75 views

Why do all of them say that there were 5 times more plagues at the sea, instead of 1.5 times?

In the Haggadah it says: (text from WikiSource) רַבִּי יוֹסֵי הַגְּלִילִי אוֹמֵר: מִנַּיִן אַתָּה אוֹמֵר שֶׁלָּקוּ הַמִּצְרִים בְּמִצְרַיִם עֶשֶׂר מַכּוֹת וְעַל הַיָּם לָקוּ חֲמִשִּׁים מַכּוֹת? ...
2
votes
0answers
52 views

Why 2 shabbos candles? [duplicate]

Why do women light two candles, specifically, for Shabbos? Is it one for the husband and one for the wife? Is it one for shamor and one for zochor?
6
votes
1answer
74 views

Why no number of p'sukim for P'kude?

Many copies of Chumash list, after each parasha (weekly reading), the number of verses in that parasha. By and large, they omit it for parashas P'kude; why? (And if the answer is that they copy the ...
3
votes
6answers
129 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. ...
3
votes
1answer
67 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 ...
7
votes
1answer
137 views

Why are we so concerned about 1/2 of 1% (Golden Calf episode)

We just read (in Parshat Ki Tisa) that the Levites punished the 3,000 men who took part in the golden calf episode. But 3,000 is only 1/2 of 1% of the 600,000 Israelite men who left Egypt. Why is the ...
1
vote
5answers
61 views

Chamisha Vetish'im - mi yodeya?

Who knows ninety-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 the ...
-2
votes
1answer
193 views

What is special in 22? [duplicate]

The Hebrew alphabet has 22 letters and according to Kabbalah everything has been created on a spiritual level by those 22 forces. But what exactly? Some teachers say we've 22 chromosomes, but I don't ...
2
votes
0answers
27 views

Ages in Genesis 5 [duplicate]

Are the life spans in Genesis 5 meant to be taken literally? Wasn't the life span of ancient people drastically shorter back then? I have read that the numbers are spiritual numbers that are used to ...
2
votes
4answers
149 views

Shisha Veshishim Umeya - mi yodeya?

Who knows one hundred sixty-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 ...
8
votes
9answers
354 views

Echad - mi yodeya?

Who knows one? Please cite/link your sources, if possible. In about a day, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
2
votes
2answers
139 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?
3
votes
1answer
69 views

How did the Sanhedrin count votes

The Great Sanhedrin was too large (71 judges) to simply know how everyone voted. There must gave been a way to count votes, in a legal fashion. (Just counting people is prohibited.) So, by what ...
2
votes
1answer
45 views

Why was King David Punished for Sending Others to Conduct a Census?

If there is no agency for sin, why was King David punished for sending people out to conduct a (forbidden) census? (Explanation of agency: The Talmud says "ein sheliach l'dvar averia," which means, ...
3
votes
1answer
663 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 ...
14
votes
17answers
460 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 ...
-4
votes
2answers
155 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 Torah?...
4
votes
2answers
120 views

How do you pronounce numbers 248, 365, and 613 in the siddur?

In the meditations before putting on the tallit and tefillin in the morning, there are three numbers — 248, 365, and three instances of 613. They’re written out in standard Hebrew letter notation in ...
11
votes
3answers
186 views

Why is every 3rd plague (of the 10 brought on Pharoah) unnanounced?

It seems like every plague was warned by Moshe to Paroah except for the 3rd - lice, 6th - boils and 9th - darkness. Why is that? Is there something special about these plagues?
0
votes
1answer
145 views

How many times do women say Kaddish in shul?

If only a woman in the shul is saying Kaddish, does she say it once or every time that the siddur says Kaddish yasom (the Kaddish for mourners)? From this answer, I see that it is permitted for her ...
-2
votes
2answers
195 views
5
votes
1answer
141 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 ...
5
votes
3answers
94 views

Is “peru eruvu” a mitzva that means to specifically include a male and female child?

There is a commandment of "Peru urevu," which can be fulfilled (or the person made exempt) by having "two children." Does that mean that one must have a male and female child, or is it any 2+ number ...
7
votes
3answers
87 views

Echad Ushloshim Ushlosh Meyot - mi yodeya?

Who knows three hundred thirty one? אחד ושלושים ושלוש מאות - מי יודע?‏ The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance to ...
4
votes
1answer
152 views

The mishkan and the fencepost problem

Rashi (Shemos 26:6, 26) counts out the number of poles for the chatzer (courtyard of the Tabernacle) on each side in parshas Terumah. He seems to ignore what is called the Fencepost Problem. The same ...
4
votes
2answers
43 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
5answers
85 views

Arba'a Vachamishim Umatayim - mi yodeya?

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

Arba'im Umeya - mi yodeya?

Who knows one hundred forty? 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
1answer
314 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 ...
2
votes
0answers
70 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 ...
2
votes
0answers
101 views

Is a triple shvus allowed?

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 ...
3
votes
5answers
91 views

Esrim Ushlosh Meyot - mi yodeya?

Who knows three hundred twenty? ?עשרים ושלוש מאות - מי יודע In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 320. Let the lips of ...
3
votes
2answers
49 views

Shemona Ve'esrim Ushlosh Meyot - mi yodeya?

Who knows three hundred twenty-eight? ?שמונה ועשרים ושלוש מאות - מי יודע The traditional Passover song "Echad - mi yodeya" implies a possible presupposition that there is a Jewish significance to be ...
7
votes
3answers
110 views

Why were there 8 kings of Edom?

Is there any symbolism or other explanation as to why there were specifically eight kings of Edom who ruled before any king in Yisrael did, like it says in Bereshis 36 (31-39)?
2
votes
4answers
64 views

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

Who knows two hundred forty-seven? 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
1answer
51 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 ...
2
votes
1answer
37 views

Why did the people have to respond twice “It is sanctified” when Sanhedrin declared Rosh Hodesh?

Ramba"m (Maimonedes) Hilchot Kid. Hachodesh 2:8 says: Afterwards - i.e., after [the witnesses'] testimony is substantiated - the head of the court declares, "It has been sanctified." And all the ...
8
votes
2answers
945 views

How do you know when to make Chacham Harazim if you can't count Jews?

As I understand it, "Chacham harazim" is the bracha we make upon seeing an assembly of more than 600,000 Jews. I'm not clear on the exact detail of this law/tradition, but I also know we are not ...
5
votes
2answers
112 views

Shiva Ve'esrim Ushlosh Meyot - mi yodeya?

Who knows three hundred twenty-seven? ?שבעה 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
0answers
58 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 ...