{{redirect|number 33|other uses|33 (disambiguation)}} {{Infobox number | number = 33 | divisor = 1, 3, 11, 33 }} '''33''' ('''thirty-three''') is the natural number following 32 and preceding 34.
==In mathematics== 33 is a composite number.
33 was the second to last number less than 100 whose representation as a sum of three cubes was found (in 2019):<ref>{{cite arXiv |first=Andrew R. |last=Booker |title=Cracking the problem with 33 |year=2019 |class=math.NT |eprint=1903.04284}}</ref> <math display="block">33 = 8866128975287528 ^{3} + (-8778405442862239)^{3} + (-2736111468807040)^{3}.</math>33 is the last of seven numbers in the positive definite quadratic integer matrix representative of all odd numbers: {1, 3, 5, 7, 11, 15, 33}.<ref>{{Cite book |last1=Cohen |first1=Henri |title=Number Theory Volume I: Tools and Diophantine Equations |url=https://link.springer.com/book/10.1007/978-0-387-49923-9 |chapter=Consequences of the Hasse–Minkowski Theorem |publisher=Springer |series=Graduate Texts in Mathematics |volume=239 |edition=1st |year=2007 |pages=312–314 |doi=10.1007/978-0-387-49923-9 |isbn=978-0-387-49922-2 |oclc=493636622 |zbl=1119.11001 }}</ref><ref>{{Cite OEIS | A116582 |Numbers from Bhargava's 33 theorem. |access-date=2023-10-09 }}</ref>
== In religion and mythology == * Islamic prayer beads are generally arranged in sets of 33, corresponding to the widespread use of this number in dhikr rituals. Such beads may number 33 in total or three distinct sets of 33 for a total of 99, corresponding to the names of God. * 33 is a master number in New Age numerology, along with 11 and 22.<ref>{{cite book |last=Sharp |first=Damian |title=Simple Numerology: A Simple Wisdom book (A Simple Wisdom Book series) |publisher=Red Wheel |year=2001 |page=7 |language=English |isbn=978-1573245609 }}</ref> * Jesus Christ is thought to have been 33 years of age when he was crucified on Golgotha, outside Jerusalem.<ref>{{Cite web |date=2020-04-03 |title=How Old Was Jesus When He Died? |url=https://www.biblestudytools.com/bible-study/topical-studies/how-old-was-jesus-when-he-died.html |access-date=2026-03-23 |website=Bible Study Tools |language=en}}</ref> * 33 is the highest degree of Freemasonry.<ref>{{Cite web |last= |date=2021-07-05 |title=Masonic Ranks |url=https://freemason.org/masonic-ranks/ |access-date=2026-03-23 |website=Masons of California |language=en-US}}</ref>
== Other cultural references == * "33" appears on every bottle of Rolling Rock beer. No definitive meaning has been identified, though theories include that is the year of Prohibition ending in the US and the number of letters in quality statement also printed on the bottle. The company website states 'nobody knows' the reason, but list several popular theories.<ref>{{Cite web |title=Age Check |url=https://www.rollingrock.com/AgeCheck.aspx?ReturnUrl=%2fhistory.html |access-date=2025-09-30 |website=www.rollingrock.com}}</ref>
==References== {{Reflist}}
==External links== * [http://primes.utm.edu/curios/page.php/33.html Prime Curios! 33] from the Prime Pages * {{cite web |url= https://www.wolframalpha.com/input/?i=8866128975287528%C2%B3+%2B+(%E2%80%938778405442862239)%C2%B3+%2B+(%E2%80%932736111468807040)%C2%B3 |title= 33 is the sum of three cubes |website= Wolfram Alpha }}
{{Integers|zero}}
{{DEFAULTSORT:33 (Number)}} Category:Integers