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Who knows fifteen?

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.

19 Answers 19

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Fifteen are the extra years added to King Chizkiyahu's lifetime, after his sincere prayer and resolution to fulfill Hashem's command to marry and bear children (II Kings 20:6 and Isaiah 38:5; Talmud, Berachos 10a).

  • 1
    How would you sing that? – Joshua Pearl Jun 5 '15 at 16:03
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Fifteen are the women who exempt their co-wives. (Mishna Yevamot 1:1)

(from Yibum and Chalitza)

  • You could sing this one to the rhythm. – Shalom Apr 14 '10 at 13:28
8

Fifteen was the depth (in cubits) of the Flood waters above the mountaintops (Gen. 7:20) - or according to R' Yehudah (Bereishis Rabbah 32:17), all over the world.

8

Fifteen years old to start learning Talmud. (Avot 5:24)

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Fifteen are the steps from the azarah to the ezras Kohanim.

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Fifteen are the Shirei HaMa'alos.

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There are 15 Simanim at the Seder. Kadesh, Urchatz........

7

Fifteen is the date of holidays in five of the twelve months.

Or, according to some, six.

And sometimes seven of thirteen.

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Fifteen are the unintelligent people it takes to make a minyan:

Hosheea es amecha uvarech es nachalesecha urem urem urem urem venasem urem venasem ad olam

(Yes, this is a joke.)

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With Fifteen (the gematria of the name Yud-Heh) He formed the worlds.

3

15 are the days S'faradim are not sad during the Omer.

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15 is the day of the month of Iyar that the Manna began to fall for the Jews in the desert.

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15 - the number of instances where the Torah requires the bringing of a קרבן יחיד -- an individual sacrifice (as listed by the Rambam in Hilchos Maaseh Hakorbanos 1:6).

  • 1) הבכור - the firstborn offerings (Hilchos Bechoros 1:2)
  • 2) והמעשר - the tithe offerings (Hilchos Bechoros 6:4)
  • 3) והפסח - the Korban Pesach (Hilchos Korban Pesach 1:1)
  • 4) והחגיגה והיא שלמים - the chagigah offerings, i.e., the peace offerings [brought in association with the pilgrimage festivals] (Hilchos Chagigah 1:2)
  • 5) והראיה והיא עולות - the pilgrimage offering which is a burnt-offering (Hilchos Chagigah 1:2)
  • 6) וקרבן הגר והוא עולה מן הבהמה או שני בני יונה או שתי תורים ושניהן עולה או שתי בהמות אחת עולה ואחת שלמים - the sacrifice brought by a convert, that involves a burnt-offering from a domesticated animal, two small doves or two turtle doves; both of them are burnt-offerings, or two domesticated animals, one as a burnt-offering and one as a peace-offering (Hilchos Mechusrei Kaparah 1:2)
  • 7) והנודר או המתנדב עולה או שלמים - one who vows or pledges a burnt-offering or a peace offering (Hilchos Maaseh Hakorbanos 14:1)
  • 8) ושלמים הבאין עם הלחם הם הנקראים תודה - peace-offerings that are accompanied by bread; they are called thanksgiving offerings (Hilchos Maaseh Hakorbanos 9:5)
  • 9) קרבנות הנזיר והן עולה וחטאת ושלמים - the sacrifices of a nazir, which are a burnt-offering, a sin-offering, and a peace-offering (Hilchos Nezirut 8:1-2)
  • 10) קרבנות מצורע והן חטאת ואשם ועולה - the sacrifices of a metzora, which are a sin-offering, and a guilt-offering, and a burnt-offering (Hilchos Mechusrei Kaparah 4:1-2)
  • 11) וקרבנות זבים ויולדות והן חטאת ועולה - the sacrifices of a zav a zavah, and a women after childbirth; they are a sin-offering and a burnt-offering (Hilchos Mechusrei Kaparah 1:3)
  • 12) וקרבן השוגג במצות לא תעשה שיש בה כרת והוא חטאת - the sacrifice brought by a person who inadvertently violated a negative commandment punishable by karet; it is a sin-offering (Hilchos Shegagos, 1st perek)
  • 13) ואם נסתפק לו אם עשה או לא עשה אותו החוטא מביא אשם והוא הנקרא אשם תלוי - if a person was unsure of whether he transgressed or not, that transgressor brings a guilt-offering; it is called a conditional guilt-offering (Hilchos Shegagos, 8th perek)
  • 14) ויש עבירות שמביא עליהן אשם והוא הנקרא אשם ודאי - there are certain sins for which one brings a guilt-offering [to atone for their transgression]; this is called a definite guilt-offering (Hilchos Shegagos, 9th perek)
  • 15) וכן איל העולה ופר החטאת שמקריב כהן גדול משלו ביוה"כ הרי הן קרבן יחיד ופר זה הוא הנקרא פר יום הכפורים - similarly, the ram brought as a burnt-offering and the bull the High Priest brings from his own resources as a sin-offering on Yom Kippur, are individual offerings; the bull is called "the bull of Yom Kippur." (Hilchos Avodas Yom HaKippurim 4:1-2 )
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Chamisha Asar B'Omer always comes out on Rosh Chodesh

  • ...as does Shisha Asar. – Alex Jan 18 '11 at 19:09
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    Put it in as an answer at Shisha Asar. – Gershon Gold Jan 18 '11 at 19:38
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    @Alex, not once we have kidush hachodesh, bb"a. – msh210 Jul 10 '12 at 19:40
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    @msh ... al pi eidim ... – Double AA Jan 30 '14 at 0:58
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Fifteen is the fifteen expressions in the berachah of Ha-Tov ve-ha-Meitiv (לחן ולחסד ולרחמים ולרוח הצלה והצלחה ברכה וישועה נחמה פרנסה וכלכלה ורחמים וחיים ושלום וכל טוב), which correspond to:

  1. the fifteen meals of the week (2 each day and 3 on Shabbos);
  2. the fifteen words in the pasuk קדושים תהיו;
  3. the fifteen appearances of the word שירה in Chamishah Chumshei Torah;
  4. the fifteen appearances of the word שמחה in Chamishah Chumshei Torah;
  5. the fifteen names of God in the Aseret Ha-Dibrot;
  6. the fifteen names of God in Va-Yosha and Az Yashir;
  7. the fifteen words of Birkat Kohanim;
  8. the fifteen times the root למד appears in Devarim;
  9. the fifteen years required for Talmud study;
  10. the fifteen times the word Kavod appears in Yechezkel;
  11. the fifteen mizmorim in Tehillim following the order of the alef beis;
  12. the fifteen praises in the pasuk לך ה' הגדולה;
  13. the fifteen praises for the Torah in the mizmor תורת ה' תמימה;
  14. the fifteen שיר המעלות;
  15. the fifteen years that the three Avot overlapped in this world.

Source: פירוש ברכת המזון למוהר"ן שפירא.

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Shemos 27:14 The hangings of one side of the gate shall be fifteen cubits: their pillars three, and their sockets three.

Shemot 27:15 And on the other side shall be hangings fifteen cubits: their pillars three, and their sockets three.

Vayikra 27:7 And if it be from sixty years old and above; if it be a male, then thy estimation shall be fifteen shekels, and for the female ten shekels.

Hoshea 3:2 So I bought her to me for fifteen silver, and an omer of barley, and a half omer of barley:

Yeshayahu 38:5 Go, and say to Hezekiah, Thus saith HaShem, the God of David thy father, I have heard thy prayer, I have seen thy tears: behold, I will add unto thy days fifteen years.

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1- Fifteen generations from Abraham to King Solomon; then fifteen generations from Solomon until the destruction of the Beit HaMikdash.

2- There were fifteen who ruled Israel as judges

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[Midrash Rabbah - Bereishis 97] The tribes are enumerated fifteen times in the Torah [together].

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Shemot 25 [Fifteen things were given as donations toward the construction of the Mishkan:] [3] ...gold, and silver, and brass, [4] And blue, and purple, and scarlet, and fine linen, and goats’ hair, [5] And rams’ skins dyed red, and badgers’ skins, and shittim wood, [6] Oil for the light, spices for anointing oil, and for sweet incense, 7 Onyx stones, and stones to be set in the ephod, and in the breastplate.

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