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3 votes
3 answers
720 views

What is the source for the idea that doing some good thing 3 times constitutes a vow?

What is the source for the idea that doing some good thing 3 times constitutes a vow? I looked through Hilkhot Sevuot and Nedarim, and in the Entziklopedia Talmudit under Hazaka, and I could find no ...
5 votes
1 answer
527 views

Why are Hebrew cardinal numbers switched to the other gender after the first two?

When counting in Hebrew, the first two cardinal numbers are in the correct gender, but all subsequent numbers seem to be in the opposite gender? For example: Feminine Numbers are: אַחַתֹ-שְתַּיִםֹ-...
10 votes
2 answers
268 views

Mi Yodeya the biggest number in Torah?

What is the biggest number found in Torah? Can be from any work at all, except maybe more recent contemporary works by popular Rabbis, such as R Kaplan or Dr. Schroeder, where they might bring in huge ...
29 votes
2 answers
670 views

How do we determine "population statistics" for population-dependent Halachot?

There appear to be several halachot that are based on "a majority of Israel". For example: Mishnah Berachot 54a: הרואה מקום שנעשו בו נסים לישראל אומר ברוך שעשה נסים לאבותינו במקום הזה IF ...
2 votes
1 answer
74 views

Circumcision for conjoined twins

According to Halacha, if there are Jewish male conjoined twins, how many circumcisions are needed? Do both penises need it, or only one?
3 votes
1 answer
235 views

How many male names are there in the Torah? And how many females names? Is there any estimate?

Does anyone know how many "kosher" names are there in the Torah (jewish/hebrew)? And how many female names (including the talmud)? Any very rough estimate would be more than fine - we're ...
1 vote
1 answer
333 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 ...
1 vote
0 answers
28 views

Does one fulfill p’ru u’rvu after one child [duplicate]

Do men fullfill their obligation in their mitzvah of P’ru U’rvu after having one child? Or is the requirement to be fruitful and multiply fulfilled only after more children? If so, how many children ...
1 vote
0 answers
68 views

Can one man count in two minyanim at same time

According to Halacha, if there are two minyanim is it permissible for both of them to count one man in a minyan at the same time? Or no, can he only count for one?
6 votes
3 answers
3k views

Should an unmarried woman light one or two Shabbat candles?

Should an unmarried woman light one or two Shabbat candles? I have seen both practices, but it seems that only little girls light one candle and that a grown-up woman lights two although she is not ...
7 votes
24 answers
579 views

Shnayim - mi yodeya?

Who knows two? 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.
5 votes
5 answers
18k 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 ...
2 votes
1 answer
184 views

How did Aharon and his sons manage to handle the Mishkan service by themselves?

In later generations, there were hundreds and thousands of kohanim that could potentially assist with the very full schedule of managing the Mishkan/Mikdash on a day-to-day basis. However, in the ...
1 vote
2 answers
222 views

What is significant about being eight days old from birth?

We make a bris on the eighth day. A korban has to be eight days old before being brought on the mizbeach. The new moon according to many has to be eight days old from when its 'born' again till me ...
3 votes
10 answers
324 views

Shelosha Ve'esrim - mi yodeya?

Who knows twenty-three? 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.
9 votes
3 answers
2k views

Why do some pairs of Tzitzit have one hole on each corner and some have two?

There are Tzitzit that have one hole and some have two. What is the significance of the multiple holes? Whose custom is it to have one? Whose custom is it to have two?
3 votes
1 answer
125 views

Why mention the number of words in parshat mieketz

Why does Parshat Miketz conclude by specifying the total number of words in the parsha, whereas other parshas typically only indicate the number of pesukim?
1 vote
0 answers
26 views

What does the hebrew/biblical number 57 mean? [duplicate]

I heard the hebrew number/character for 47 is 'what', but what is does the number 57 mean? Also where can I learn about the other numbers?
2 votes
1 answer
170 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 ...
14 votes
29 answers
940 views

Shelosha - mi yodeya?

Who knows three? 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.
8 votes
29 answers
851 views

Shiv'im - mi yodeya?

Who knows seventy? 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
0 answers
90 views

What does the number 40 represent?

The number 40 appears multiple times in the Torah and the works of the Sages, though in very different contexts: For instance: 40 days of rain during the flood, for 40 days, Moses was on Mount Sinai, ...
9 votes
11 answers
600 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.
11 votes
29 answers
520 views

Chamisha - mi yodeya?

Who knows five? 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.
16 votes
2 answers
2k views

Differences between RaMbaM and RaMbaN's mitzvah count

I know both the Rambam and Ramban listed all of the 613 mitzvos, and that they differ in some (I think like 16ish?) What are the ones upon which they differ? If possible please include why they differ ...
6 votes
2 answers
314 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 ...
0 votes
3 answers
191 views

Covenant between the pieces: dividing and keeping it whole

In the covenant between the pieces (ברית בין הבתרים) all the animals had to be cut into two parts, but the two birds (dove תר and pigeon גוזל) are referred to as literally one bird (ואת הצפר לא בתר) ...
20 votes
3 answers
2k views

How long did Chava (Eve) live?

The Torah tells us that Adam HaRishon lived for 930 years. Is there a source that tells us for how long Chava (Eve) lived? I have been unable to find any source that discusses how old Chava was when ...
3 votes
1 answer
349 views

Tools to validate Torah codes

Torah codes are "a purported set of secret messages encoded within the Hebrew text of the Torah" (Wikipedia). For instance, a well known code suggests that counting 3 intervals of 12111 letters from ...
15 votes
2 answers
881 views

Am I allowed to count people?

Where did the practice of not counting people come from? People count not-one, not-two, not-three etc. What is wrong with counting one, two, three etc? This is often found when counting to see if ...
4 votes
1 answer
967 views

176 verses in longest parasha, longest psalm and last page of longest Talmud tractate - what is the significance?

As was already noted before on MiYodeya, the longest parasha (Naso) has 176 verses the longest Psalm (119) has 176 verses the longest tractate of Talmud Bavli (Bava Batra) ends on daf 176 Is there ...
1 vote
2 answers
61 views

Tish'a Ve'esrim Umatayim - mi yodeya?

Who knows two hundred twenty-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 ...
1 vote
10 answers
107 views

Tish'a Vetishim - mi yodeya?

Who knows ninety-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 on to the ...
0 votes
1 answer
156 views

Is it true that the book of Numbers has the exact same number of Hebrew letters as the book of Esther?

I cannot remember the source and have been unable to find any further academic material, so I would like to put this request out to everyone in this online community. I once heard that the book of ...
0 votes
2 answers
94 views

Why does רבי עקיבא say "50 אמה", and not "50 אמות?"

In the first Mishna on Mesechta Bava Kama Daf סא עמוד ב (https://www.sefaria.org/Bava_Kamma.61b?lang=he), there is a מחלוקת about how far does a fire have to pass in order to be פטור. When רבי עקיבא ...
1 vote
3 answers
1k views

How many Chapters are in the Mishneh Torah?

This question addresses how many halachos there are in Mishneh Torah. How many chapters are in Mishenh Torah? There is a program to do a chapter of Rambam a day and I am interested to know in how many ...
-6 votes
1 answer
389 views

Kitzur Shulchan Aruch Statistics

(Answered) How many Simanim are in the Kitzur Shulchan Aruch? (How many words are in the Kitzur Shulchan Aruch? How many letters are in the Kitzur Shulchan Aruch?) (Not Answered) How many Sifim are in ...
31 votes
9 answers
3k 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 for the different views of the age of the universe, [the Tanakh's view and astronomy's view.] Please help me out!
1 vote
1 answer
631 views

Longest Mishna By Word Count

What is the longest individual Mishna? Not asking regarding the number of Mishnayos in a Masechta, rather by the word count of an individual Mishna (An example of a long Mishna is Eduyot 6:3, with 317 ...
15 votes
9 answers
4k views

Pomegranate = 613 seeds?

Has anyone ever counted the seeds of a pomegranate? Is it true that each pomegranate has 613 seeds?
5 votes
3 answers
1k views

Parshas Tzav - 96 Pesukim?

At the end of each Parsha many Chumashim have the number of Pesukim that are in that Parsha. By Parshas Tzav they all say 96 which is the Gematria of Tzav צו. However if counted there are 97 Pesukim. ...
12 votes
51 answers
1k views

Arba'a - mi yodeya?

Who knows four? Please cite/link your sources, if possible. After Shabbat, I will: Upvote all interesting answers. Accept the best answer. Go on to the next number.
5 votes
4 answers
343 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 ...
2 votes
9 answers
117 views

Shisha Vetish'im - mi yodeya?

Who knows ninety-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 to the ...
6 votes
5 answers
102 views

Arba'a Vachamishim - mi yodeya?

Who knows fifty-four? 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
2 answers
54 views

Shemona Vachamishim - mi yodeya?

Who knows fifty-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.
5 votes
10 answers
185 views

Chamisha Ve'esrim - mi yodeya?

Who knows twenty-five? 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.
5 votes
3 answers
2k views

How does this list add up to 248 bones?

The Mishnah in Oholos 1:8 gives a list of 248 bones in the human body: 30 in the feet1 6 in each toe2 10 in the ankle3 2 in the shin3 5 in the knee3 1 in the thigh3 3 in the hip3 ...
1 vote
6 answers
99 views

Arba'a Vetish'im - mi yodeya?

Who knows ninety-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 on to the ...
0 votes
5 answers
61 views

Shelosha Umeya - mi yodeya?

Who knows one hundred 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 on to ...

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