| 释义 |
- In mathematics
- In religion
- In telephony
- In other fields
- See also
- References
{{refimprove|date=February 2010}}{{Infobox number
| number = 123
| divisor = 1, 3, 41, 123
}}123 (one hundred [and] twenty-three) is the natural number following 122 and preceding 124. In mathematics- 123 is a Lucas number.[1] It is the eleventh member of the Mian-Chowla sequence.[2]
- Along with 6, 123 is one of only two positive integers that is simultaneously two more than a perfect square and two less than a perfect cube (123 = 112 + 2 = 53 - 2).[3]
In religionThe Book of Numbers says that Aaron died at the age of 123.[4] In telephony- The emergency telephone number in Colombia
- The telephone number of the speaking clock for the correct time in the United Kingdom
- The electricity emergency telephone number in Indonesia
- The medical emergency telephone number in Egypt
- The Notation for national and international telephone numbers Recommendation ITU-T Recommendation E.123 defines a standard way to write telephone numbers, e-mail addresses, and web addresses
In other fields123 is also: - 123 (film), a 2002 Indian film
- 123 (interbank network), shared cash network in Egypt
- 123 (New Jersey bus)
- 123 (song), 1965 song written and recorded by Len Barry
- The atomic number of the yet-to-be-discovered element unbitrium
See also- 1-2-3 (disambiguation)
- 123rd (disambiguation)
- 123 AD
- 123 BC
- List of highways numbered 123
- Section 123 Agreement of the U.S. Atomic Energy Act of 1954
- United Nations Security Council Resolution 123
- Japan Airlines Flight 123, world's deadliest single-aircraft accident in history
- Raz, Dwa, Trzy, Polish music band
- Raz, dwa, trzy (newspaper), Polish sports weekly
- Sonnet 123 by William Shakespeare
- The Lotus 1-2-3 spreadsheet program
References1. ^{{cite web |url=http://www2.stetson.edu/~efriedma/numbers.html |title=What's Special About This Number? |author=Friedman, Erich |publisher=Stetson University |date=30 April 2005 |accessdate=2010-02-08 | archiveurl= https://web.archive.org/web/20100210102959/http://www2.stetson.edu/~efriedma/numbers.html| archivedate= 10 February 2010 }}
2. ^{{Cite web|url=https://oeis.org/A005282|title=Mian-Chowla Sequence|last=|first=|date=2016-04-19|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Foundation|access-date=2016-04-19}}
3. ^{{Cite web|url=http://www.math.uconn.edu/~kconrad/blurbs/gradnumthy/mordelleqn1.pdf|title=Examples of Mordell's Equation|last=Conrad|first=Keith|date=|website=University of Connecticut, Mathematics Department|archive-url=|archive-date=|dead-url=|access-date=2017-06-24}}
4. ^{{bibleverse||Numbers|33:39|NIV}}
{{Integers|1}} 1 : Integers |