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{{Infobox number
| number = 268
| divisor = 1, 2, 4, 67, 134, 268
}}

'''268''' ('''two hundred [and] sixty-eight''') is the [[Natural number|natural number]] following [[267 (number)|267]] and preceding [[269 (number)|269]].

==In mathematics==
*268 is an even [[Composite number|composite number]] with two prime factors,<ref>{{Cite web |url=https://mathworld.wolfram.com/CompositeNumber.html|title=Facts about the integer|website=mathworld.wolfram.com}}</ref> but one of the prime factors is repeated:  268 = 67*2*2.
*268 is the smallest number whose [[Product (mathematics)|product]] of digits is 6 times the [[Summation|sum]] of its digits.
*268 is [[Untouchable number|untouchable]] which means that it is not the sum of the [[Divisor|proper divisors]] of any number<ref>{{Cite web|url=https://mathworld.wolfram.com/UntouchableNumber.html|website=mathworld.worfram.com|title= Untouchable numbers}}</ref>
*268 is the sum of the consecutive [[Prime number|primes]] [[131 (number)|131]] and [[137 (number)|137]].<ref>{{Cite web|url=https://mathworld.wolfram.com/TwinPrimeConjecture.html|title=Twin prime numbers|website=mathworld.wolfram.com}}</ref>

== In technology==
*The area code for 268 is in Antigua and Barbuda.<ref>{{Cite web|url=https://researchmaniacs.com/AreaCode/Where-is-Area-Code-268.html|title=268 area code|website=researchmeniacs.com}}</ref>
*The [[Telephone numbering plan|country code]] +268 is the calling code for Eswatini, formerly Swaziland.<ref>{{Cite web|url=https://www.howtocallabroad.com/swaziland/|title=+268 calling code|website=www.howtocallabroad.com}}</ref>
*MF 268 is a [[Chemistry:Chemical compound|chemical compound]] with the formula of C28H46N4O3. It reacts at the [[Earth:Abiotic component|abiotic]] site of the [[Biology:Enzyme|enzyme]].<ref>{{Cite journal|url=https://pubmed.ncbi.nlm.nih.gov/8838583/|title=MF 268 information|journal=Journal of Neuroscience Research|date=1996 |pmid=8838583 |last1=Zhu |first1=X. D. |last2=Cuadra |first2=G. |last3=Brufani |first3=M. |last4=Maggi |first4=T. |last5=Pagella |first5=P. G. |last6=Williams |first6=E. |last7=Giacobini |first7=E. |volume=43 |issue=1 |pages=120–126 |doi=10.1002/jnr.490430116 |s2cid=23423497 }}</ref>

==World records==
*[[Social:YouTuber|YouTuber]] Hassan Suliman (AboFlah) received 2 world records during a live stream. The first was the longest video live stream with a total length of 268 hours. The second was the most viewers on a charity live stream on youtube with 698000 viewers.<ref>{{cite web|url=https://www.guinnessworldrecords.com/news/2022/3/youtuber-aboflahs-268-hour-livestream-breaks-two-world-records-689421|website=www.guinnessworldrecords.com|title=268 hour livestream|first=Mohamad|last=Kaddoura|date=March 3, 2022}}</ref>
*On January 17, 2013, The Procter & Gamble Company received the Guinness World Record for the most people using teeth-whitening strips simultaneously. There were 268 participants.<ref>{{Cite web|url=https://www.guinnessworldrecords.com/world-records/106324-most-people-using-teeth-whitening-strips|website=www.guinnessworldrecords.com|title=268 people using teeth-whitening strips}}</ref>
*On December 9, 2012, 268 people were brushing dog’s teeth. It was an event to promote dog’s dental health awareness.<ref>{{Cite web|url=https://www.guinnessworldrecords.com/world-records/most-people-brushing-dogs-teeth-simultaneously|website=www.guinnessworldrecords.com|title=268 people brushing dog's teeth}}</ref>
*On April 17, 2016, there were 268 people in Hikone, Japan dressed as ninjas.  https://www.guinnessworldrecords.com/world-records/95237-largest-gathering-of-people-dressed-as-ninjas
*On June 19, 2011, the lowest score in the golf US Open was achieved by Rory McIlroy. The score was 268 in 72 holes.<ref>{{Cite web|url=https://www.guinnessworldrecords.com/world-records/64175-lowest-total-score-72-holes-at-the-golf-us-open|title=268 golf score US Open|website=www.guinnessworldrecrods.com}}</ref>

==Other fields==
*The calendar years 268 AD and 268 BC.
*In the [[French Republican calendar]], The year 268 would be a year 4 cycle and be in 2060.<ref>{{Cite web|url=https://broadcast.lds.org/elearning/FHD/Community/en/FamilySearch/Handwriting/French/Lesson2/Handouts/French_Republican_Calendar.pdf|title=French Republican Calendar Guide|website=broadcast.lds.org}}</ref>
*267 is the number for several highways across the countries of Canada,  Japan, and the United States.
*[[Astronomy:268 Adorea|268 Adorea]] is an [[Astronomy:Asteroid|asteroid]] in the [[Astronomy:Asteroid belt|asteroid belt]]. It was discovered by [[Biography:Alphonse Borrelly|Alphonse Borrelly]] in Marseilles. It was named after adorea liba which were split cakes made by the Romans as sacrificial offerings. This was controversial because all asteroids before this point were named after people or mythological people.<ref>{{Cite web|url=https://in-the-sky.org/data/object.php?id=A268|website=in-the-sky.org|title=268 Adorea information}}</ref>

== References ==

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[[Category:Integers]]

{{Sourceattribution|268 (number)}}