82 (number)
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Template:Infobox number 82 (eighty-two) is the natural number following 81 and preceding 83.
In mathematics
82 is:
- the twenty-seventh semiprime<ref>Template:Cite OEIS</ref> and the thirteenth of the form (2.q).
- with an aliquot sum of 44, within an aliquot sequence of four composite numbers (82,44,40,50,43,1,0) to the Prime in the 43-aliquot tree.
- a companion Pell number.<ref>Template:Cite web</ref>
- a happy number.<ref>Template:Cite web</ref>
- palindromic in bases 3 (100013), 9 (1019) and 40 (2240).
In science
- The sixth magic number.