29 (عدد)

← 28 29 30 →
← 20 21 22 23 24 25 26 27 28 29 → قائمة الأعداد الأعداد الصحيحة ← 0 10 20 30 40 50 60 70 80 90 →
كمي
ترتيبي	29 ()
التحليل لعوامل	prime
أولي	العاشر
القواسم	1, 29
العدد اليوناني	ΚΘ´
العدد الروماني	XXIX
ثنائي	111012
ثلاثي	10023
رباعي	1314
خماسي	1045
سداسي	456
ثماني	358
اثنا عشري	2512
ستة عشري	1D16
عشريني	1920
أساس 36	T36

29 (تسع وعشرون) هو عدد صحيح يلي العدد 28 ويسبق العدد 30 وهو عدد طبيعي موجب.

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 الرياضيات

• 29 is the tenth prime number, and the fourth primorial prime.
• 29 forms a twin prime pair with thirty-one, which is also a primorial prime. Twenty-nine is also the sixth Sophie Germain prime.
• 29 is the sum of three consecutive squares, 2² + 3² + 4².
• 29 is a Lucas prime, a Pell prime, and a tetranacci number.
• 29 is an Eisenstein prime with no imaginary part and real part of the form 3n − 1. 29 is also the 10th supersingular prime.
• None of the first 29 natural numbers have more than two different prime factors. This is the longest such consecutive sequence.
• 29 is a Markov number, appearing in the solutions to x2  + y2  + z2  = 3xyz: {2, 5, 29}, {2, 29, 169}, {5, 29, 433}, {29, 169, 14701}, etc.
• 29 is a Perrin number, preceded in the sequence by 12, 17, 22.
• 29 is the smallest positive whole number that cannot be made from the numbers {1, 2, 3, 4}, using each exactly once and using only addition, subtraction, multiplication, and division.
• 29 is the number of pentacubes if reflections are considered distinct.

 الدين

• The Bishnois community follows 29 principles. Guru Jambheshwar had laid down 29 principles to be followed by the sect in 1485 A.D. In Hindi, Bish means 20 and noi means 9; thus, Bishnoi translates as Twenty-niners.
• عدد السور في القرآن التي تبدأ بمقطعات.

 العلوم والفلك

• الرقم الذري للنحاس.
• جرم مسييه M29, a magnitude 6.6 open cluster in the constellation Cygnus.
• The New General Catalogue object NGC 29, a spiral galaxy in the constellation Andromeda.
• The lunar month is very close to twenty-nine days.
• Saturn requires over 29 years to orbit the Sun.
• The number of days February has in leap years.

 اللغة والأدب

• The number of letters in the Turkish, Finnish, Swedish, Danish and Norwegian alphabets
• The number of Knuts in one Sickle in the fictional currency in the Harry Potter novels

 الجغرافيا

• In the name of the town Twentynine Palms, California
• The number of the French department of Finistère

 العسكرية

• 29th Regiment of Foot, a former regiment in the British Army
• Marine Corps Air Ground Combat Center Twentynine Palms, affectionately referred to by Marines as "Twentynine Stumps".
• Boeing B-29, a large bomber

 الموسيقى والتسلية

• "$29.00" is a song on the album Blue Valentine by Tom Waits.
• 29, an album by Ryan Adams.
• "No. 29", a song about a washed-up high school football star from the album Exit 0 by Steve Earle.
• The track from which the Chattanooga Choo Choo train departs in the Glenn Miller song.
• The number of attributes existing according to The Strokes in "You Only Live Once".
• A track from Bon Iver's album, 22, A Million, all tracks being numerically themed.
• A 2022 song by American singer-songwriter Demi Lovato.

 الرياضة

• The 29er sailing skiff is a high-performance two-handed yacht.
• A 29er is a mountain bike with 29-inch wheels.
• 29 is the highest possible score in a hand of Cribbage or Khanhoo.
• The Atlanta Braves set the National League record for most runs scored in a game as they scored 29 times against the Miami Marlins on September 9, 2020.

 التاريخ

• The Twenty-nine is often used in New Zealand for the missing miners and contractors believed to have been killed in the Pike River Mine disaster in November 2010.

 انظر أيضاً

• List of highways numbered 29

 المراجع

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 وصلات خارجية

• Prime Curios! 29 from the Prime Pages