|Unicode symbol(s)||X, ↂ|
|Greek prefix||myria- (obsolete)|
Many languages have a specific word for this number: in Ancient Greek it is μύριοι (related to the word myriad in English), in Aramaic ܪܒܘܬܐ, in Hebrew רבבה (revava), in Chinese 萬/万 (Mandarin wàn, Cantonese maan6), in Japanese 万/萬 [man], in Korean 만/萬 [man], and in Thai หมื่น [meun]. It is often used to mean an indefinite very large number.
The number 10000 can also be written 10,000 (UK and US), 10.000 (Europe mainland), 10 000 (transition metric), or 10•000 (with the dot raised to the middle of the zeroes; metric).
In mathematics 
- In scientific notation, it is written as 104.
- It is also written as 1 E+4 (or as 1 E4)
- It is the square of 100
- It is the square root of 100,000,000
- A myriagon is a polygon with 10,000 sides.
- 10 km, 10,000 m, or 1 E+4 m is equal to:
- The classical Greeks used letters of the Greek alphabet to represent Greek numerals: they used a capital letter mu (Μ) to represent 10000, whose name in Greek is myriad.
- 1040000 = 1000010000 The value of a myriad to the power of itself, written (by the system of Apollonius of Perga) as a little M directly above a larger M.
In science 
- In anatomy, each neuron in the human brain is estimated to connect to 10,000 others.
- In astronomy,
- In climate, Summary of 10,000 Years is one of several pages of the Climate Timeline Tool: Exploring Weather & Climate Change Through the Powers of 10 sponsored by the National Climatic Data Center of the National Oceanic & Atmospheric Administration.
- In computers, NASA built a 10,000-processor Linux computer (it is actually a 10,240-processor) called Columbia
- In geography,
- Land of 10,000 Lakes is the nickname for the state of Minnesota.
- Land of 10,000 Trails or 10000trails.com was originally created in 1999 by the TN/KY Lakes Area Coalition. This organization is made up of individuals in West Tennessee and West Kentucky, who have an interest in seeing tourism grow by developing trails throughout their region. 
- Ten Thousand Islands National Wildlife Refuge is situated in the lower end of the Fakahatchee and Picayune Strands of Big Cypress Swamp and west of Everglades National Park in Florida. 
- Valley of Ten Thousand Smokes in Alaska
- Although there is no ZIP Code 10000 in the US, if there were, it would be in New York City, as ZIP codes 10001-11694 are.
- In geology, a list of Largest Volcanic Eruptions in the Last 10,000 Years 
- In physics,
- Myria is an obsolete prefix that denoted a factor of 10+4, ten thousand, or 10,000.
- Myrio is an obsolete prefix that denoted a factor of 10−4 or one ten-thousandth).
- 10,000 hertz, 10 kilohertz, or 10 kHz of the radio frequency spectrum falls in the very low frequency or VLF band and has a wavelength of 30 kilometres.
- In orders of magnitude (speed), the speed of a fast neutron is 10,000 km/s
- In orders of magnitude (volume), the volume of 10,000 cubic kilometres or 10,000 km3 equals 1 × 1013 m3. Lake Superior contains 12,232 cubic kilometres (km3) or 2,935 cubic miles of water.
- In scientific units,
- 10,000 square metres is one hectare
- In zoology, there are approximately 10,000 species of birds.
In time 
- 10,000 BC, 10,000 BCE, or 10th millennium BC
- 10,000-year clock or the Clock of the Long Now is a mechanical clock designed to keep time for 10,000 years.
10,000 days can be expressed in these alternative units:
- 864,000,000 seconds
- 14,400,000 minutes
- 240,000 hours
- 1428 weeks (rounded down)
In other fields 
- In art,
- In software,
- the Year 10,000 problem is the collective name for all potential software bugs that will emerge as the need to express years with five digits arises.
- In currency,
- the new 10,000 Iraqi dinar banknote has Abu Ali Hasan Ibn al-Haitham (known as Alhazen to medieval scholars in the West) on the front and Hadba Minaret on the back.  The old bill had a picture of Saddam Hussein and Samarra: Spiral Minaret- Al-Mawiya 
- the Japanese 10,000 yen banknote has a portrait of Fukuzawa Yukichi
- the U.S. Ten Thousand Dollar Note has a picture of Salmon P. Chase.
- In films,
- 10,000 B.C. (2008) Overview from IMDb
- 10,000 Black Men Named George (2002, TV) Overview from IMDb
- The Phantom from 10,000 Leagues (1956) Overview from IMDb
- In Pixar's film Up The main character, Carl Fredrickson attaches 10,000 helium toy balloons to his house.
- Vietnam: The Ten Thousand Day War (1980, mini) Overview from IMDb
- In finance, on March 29, 1999, the Dow Jones Industrial Average closed at 10,006.78 which was the first time the index closed above the 10,000 mark.
- In futurology, Stewart Brand in Visions of the Future: The 10,000-Year Library proposes a museum built around a 10,000 year clock as an idea for assuring that vital information survives future crashes of civilizations. 
- In games,
- In game shows, The $10,000 Pyramid ran on television from 1973 to 1974
- In history,
- Army of 10,000 Sixty Day Troops, 1862–1863. American Civil War 
- The Army of the Ten Thousand were a group of Ancient Greek mercenaries who marched against the Persian Shah Artaxerxes II.
- The Goddess can appear as the Lady of the Ten Thousand Names, as did Isis who was called Isis of Ten Thousand Names
- the Persian Immortals were also called the Ten Thousand or 10,000 Immortals, so named because their number of 10,000 was immediately re-established after every loss.
- The 10,000 Day War: Vietnam by Michael MacLear ISBN 0-312-79094-5 also alternate titles The ten thousand day war: Vietnam, 1945–1975 (10,000 days is 27.4 years)
- Tomb of Ten Thousand Soldiers – defeat of the Tang Dynasty army of China in the Nanzhao kingdom in 751
- In Islamic history, 10000 is the number of besieging forces led by Prophet Muhammad's adversary, Abu Sufyan, during the Battle of the Trench
- 10000 is the number of Prophet Muhammad's soldiers during the conquest of Mecca
- In language,
- the Chinese, Japanese, Korean, and Vietnamese phrase live for ten thousand years was used to bless emperors in East Asia.
- the words in the Interlingua-English Dictionary are all drawn from 10000 roots.
- Μύριοι is an Ancient Greek name for 10.000 taken into the modern European languages as 'myriad' (see above). Hebrew, Chinese, Japanese and Korean have words with the same meaning.
- In literature,
- Man'yōshū (万葉集 Man'yōshū, Collection of Ten Thousand Leaves) is the oldest existing, and most highly revered, collection of Japanese poetry
- Ten Thousand a Year 1839 by Samuel Warren
- Ten Thousand a Year 1883?. A Drama, in three acts. Adapted from the celebrated novel of the same name, by the author of the Diary of a Physician, and arranged for the stage, by Richard Brinsley Peake 
- Anabasis, by the Greek writer Xenophon (431–360 B.C.), about the Army of the Ten Thousand – Greek mercenaries taking part in the expedition of Cyrus the Younger, a Persian prince, against his brother, King Artaxerxes II
- The Ten Thousand: A Novel of Ancient Greece by Michael Curtis Ford. 2001. ISBN 0-312-26946-3 Historic fiction about the Army of the Ten Thousand
- The World of the Ten Thousand Things: Poems 1980–1990 by Charles Wright ISBN 0-374-29293-0 ISBN 0-374-52326-6
- Ten Thousand Lovers by Edeet Ravel ISBN 0-06-056562-4
- In music,
- 10,000 Days is the title of the fourth studio album by Tool 
- Ten Thousand Fists is an album by Disturbed. 
- 10 000 Hz Legend album by Air 2001
- 10,000 Maniacs is a US rock band.
- 10,000 Men is a song by Bob Dylan 
- Ten Thousand Men of Harvard is a fight song of Harvard University
- 10,000 promises is a song by the Backstreet Boys 
- 10,000 Promises. is a Japanese popular music group
- Ten Thousand Strong is a song by American Power metal band, Iced Earth.
- In philosophy, Lao Zi writes about ten thousand things in the Tao Te Ching In Zen Buddhism, the "10,000 Things" is a term meaning all of phenomenal reality. 
- In psychology, Ten Thousand Dreams Interpreted, or what's in a dream: a scientific and practical, by Miller, Gustavus Hindman (1857–1929). Project Gutenberg
- In religion,
- the Bible,
- has 52 references to ten thousand in the King James Version., 
- Revelation 5:11 And I beheld, and I heard the voice of many angels round about the throne and the beasts and the elders: and the number of them was ten thousand times ten thousand, and thousands of thousands; (KJV) The Apocalypse of John
- hymn, Ten thousand times ten thousand 
- The Ten thousand martyrs from The Catholic Encyclopedia
- the Bible,
- In sports,
- In athletics, 10,000 metres, 10 kilometres, 10 km, or 10K (6.2 miles) is the final standard track event in a long-distance track event and a distance in other racing events such as running, cycling and skiing.
- In bicycle racing, annual Tour of 10,000 Lakes Stage Race in Minneapolis, Minnesota 
- In baseball, on July 15, 2007, the Philadelphia Phillies became the first team in professional sports' history to lose 10,000 .
Selected 5-digit numbers (10001–19999) 
- 10033 – a character from the fictional Vlog series lonelygirl15
- 10080 – highly composite number; number of minutes in a week
- 10201 – palindromic square (in the decimal system)
- 10206 – pentagonal pyramidal number
- 10223 – smallest of six remaining Seventeen or Bust numbers in the Sierpinski problem
- 10239 – Woodall number
- 10267 – cuban prime
- 10301 – palindromic prime (in the decimal system)
- 10333 – star prime
- 10416 – square pyramidal number
- 10425 – octahedral number
- 10430 – weird number
- 10440 - 144th triangular number
- 10501 – palindromic prime
- 10538 Overture - a hit single by Electric Light Orchestra
- 10570 – weird number
- 10585 – Carmichael number
- 10601 – palindromic prime
- 10609 – tribonacci number
- 10646 – ISO 10646 is the standard for Unicode
- 10660 – tetrahedral number
- 10671 – tetranacci number
- 10744 – amicable number with 10856
- 10752 – the second 16-bit word of a TIFF file if the byte order marker is misunderstood
- 10792 – weird number
- 10800 – number of bricks used for the uttaravedi in the Agnicayana ritual
- 10837 – star prime
- 10856 – amicable number with 10744
- 10905 – Wedderburn–Etherington number
- 10946 – Fibonacci number, Markov number
- 10989 – reverses when multiplied by 9
- 10990 – weird number
- 11025 – sum of the cubes of the first 14 positive integers
- 11311 – palindromic prime
- 11353 – star prime
- 11368 – pentagonal pyramidal number
- 11410 – weird number
- 11411 – palindromic prime
- 11440 – square pyramidal number
- 11480 – tetrahedral number
- 11605 – smallest integer to start a run of five consecutive integers with the same number of divisors
- 11690 – weird number
- 11719 – cuban prime
- 11726 – octahedral number
- 11826 – smallest number whose square (algebra) is pandigital but lacks zeros.
- 12097 – cuban prime
- 12110 – weird number
- 12198 – semi-meandric number
- 12285 – amicable number with 14595
- 12287 – Thabit number
- 12321 – palindromic square
- 12341 – tetrahedral number
- 12407 - cited on QI as the smallest uninteresting positive integer in terms of arithmetical mathematics.[notes 1]
- 12421 – palindromic prime
- 12529 – square pyramidal number
- 12530 – weird number
- 12670 – weird number
- 12721 – palindromic prime
- 12726 – Ruth–Aaron pair
- 12758 – largest number that cannot be expressed as the sum of distinct cubes
- 12765 – Finnish internet meme; the code accompanying no-prize caps in a Coca-Cola bottle top prize contest. Often spelled out yksi – kaksi – seitsemän – kuusi – viisi, ei voittoa, "one – two – seven – six – five, no prize").
- 12821 – palindromic prime
- 13244 – tetrahedral number
- 13267 – cuban prime
- 13131 – octahedral number
- 13331 – palindromic prime
- 13370 – weird number
- 13510 – weird number
- 13669 – cuban prime
- 13685 – square pyramidal number
- 13790 – weird number
- 13820 – meandric number, open meandric number
- 13831 – palindromic prime
- 13860 – Pell number
- 13930 – weird number
- 13931 – palindromic prime
- 13950 – pentagonal pyramidal number
- 14190 – tetrahedral number
- 14200 – number of n-Queens Problem solutions for n = 12,
- 14341 – palindromic prime
- 14400 – sum of the cubes of the first 15 positive integers
- 14641 – palindromic square
- 14644 – octahedral number
- 14701 – Markov number
- 14741 – palindromic prime
- 14770 – weird number
- 14595 – amicable number with 12285
- 14910 – square pyramidal number
- 15015 – smallest odd and square-free abundant number
- 15120 – highly composite number
- 15180 – tetrahedral number
- 15376 – pentagonal pyramidal number
- 15387 – Zeisel number
- 15451 – palindromic prime
- 15511 – Motzkin number
- 15551 – palindromic prime
- 15610 – weird number
- 15625 –
- 15841 – Carmichael number
- 15890 – weird number
- 16030 – weird number
- 16061 – palindromic prime
- 16091 – strobogrammatic prime
- 16127 – Carol prime, also an emirp
- 16206 – square pyramidal number
- 16269 – octahedral number
- 16310 – weird number
- 16361 – palindromic prime
- 16384 –
- 16447 – Friedman number
- 16843 – Wolstenholme prime
- 16561 – palindromic prime
- 16580 – Leyland number
- 16639 – Kynea number
- 16651 – cuban prime
- 16661 – palindromic prime
- 16730 – weird number
- 16796 – Catalan number
- 16807 –
- 16870 – weird number
- 16896 – pentagonal pyramidal number
- 17163 – the largest number that is not the sum of the squares of distinct primes
- 17272 – weird number
- 17296 – amicable number with 18416
- 17344 – Kaprekar number
- 17471 – palindromic prime
- 17570 – weird number
- 17575 – square pyramidal number
- 17576 - 263
- 17711 – Fibonacci number
- 17971 – palindromic prime
- 17990 – weird number
- 18010 – octahedral number
- 18181 – palindromic prime, strobogrammatic prime
- 18410 – weird number
- 18416 – amicable number with 17296
- 18481 – palindromic prime
- 18496 – sum of the cubes of the first 16 positive integers
- 18600 – harmonic divisor number
- 18620 – harmonic divisor number
- 18785 – Leyland number
- 18830 – weird number
- 18970 – weird number
- 19019 – square pyramidal number
- 19390 – weird number
- 19391 – palindromic prime
- 19441 – cuban prime
- 19455 – smallest integer that cannot be expressed as a sum of fewer than 548 ninth powers
- 19513 – tribonacci number
- 19600 – , tetrahedral number
- 19609 – first prime followed by a prime gap of over fifty
- 19670 – weird number
- 19683 –
- 19871 – octahedral number
- 19891 – palindromic prime
- 19927 – cuban prime
- 19991 – palindromic prime
- On the basis that it did not then (November 2011) appear in Sloane's On-Line Encyclopedia of Integer Sequences.
See also 
- http://www.merriam-webster.com/dictionary/myriad (Merriam-Webster's Online Dictionary)
- Climate Timeline Information Tool
- http://www.infoworld.com/article/04/07/28/HNnasalinux_1.html news
- NASA Project: Columbia
- http://www.gutenberg.org/etext/926 : Ten Thousand Dreams Interpreted
- Host: Stephen Fry; Panellists: Alan Davies, Al Murray, Dara Ó Briain and Sandi Toksvig (11 November 2011). "Inland Revenue". QI. Series I. Episode 10. 19:55 minutes in. BBC. BBC Two. http://www.comedy.co.uk/guide/tv/qi/episodes/9/10/.
- Higgins, Peter (2008). Number Story: From Counting to Cryptography. New York: Copernicus. p. 61. ISBN 978-1-84800-000-1.
- Higgins, ibid.
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