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10000 (number)

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10000 (number)

9999 10000 10001
Cardinal ten thousand
Ordinal 10000th
(ten thousandth)
Numeral system decamillesimal
Factorization 24× 54
Roman numeral X
Unicode symbol(s) X, ↂ
Greek prefix myria- (obsolete)
Latin prefix decamilli-
Binary 100111000100002
Ternary 1112011013
Quaternary 21301004
Quinary 3100005
Senary 1141446
Octal 234208
Duodecimal 595412
Hexadecimal 271016
Vigesimal 150020
Base 36 7PS36

10000 (ten thousand) is the natural number following 9999 and preceding 10001.


  • Name 1
  • In mathematics 2
  • In science 3
  • In time 4
  • In other fields 5
  • Selected 5-digit numbers (10001–19999) 6
  • See also 7
  • Notes 8
  • References 9
  • External links 10


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, Hokkien bān), 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.[1]

The Greek root was used in early versions of the metric system in the form of the decimal prefix myria-.

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 science

In time

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

Selected 5-digit numbers (10001–19999)

See also


  1. ^ On the basis that it did not then (November 2011) appear in Sloane's On-Line Encyclopedia of Integer Sequences.


  1. ^ (Merriam-Webster's Online Dictionary)
  2. ^ Climate Timeline Information Tool
  3. ^ news
  4. ^ NASA Project: Columbia
  5. ^ Brewster, David (1830). The Edinburgh Encyclopædia 12. Edinburgh, UK: William Blackwood, John Waugh, John Murray, Baldwin & Cradock, J. M. Richardson. p. 494. Retrieved 2015-10-09. 
  6. ^ Brewster, David (1832). The Edinburgh Encyclopaedia 12 (1st American ed.). Joseph and Edward Parker. Retrieved 2015-10-09. 
  7. ^ Dingler, Johann Gottfried (1823). Polytechnisches Journal (in German) 11. Stuttgart, Germany: J.W. Gotta'schen Buchhandlung. Retrieved 2015-10-09. 
  8. ^ : Ten Thousand Dreams Interpreted
  9. ^ Host:  
  10. ^ Higgins, Peter (2008). Number Story: From Counting to Cryptography. New York: Copernicus. p. 61.  
  11. ^ Higgins, ibid.

External links

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