Editing 7744 (section)

==In mathematics==
'''7744''' is:
*the [[square number|square]] of [[88 (number)|88]], and is the smallest nonzero square each of whose decimal digits occur exactly twice.<ref>{{Cite OEIS|A052070|name=Smallest squares whose digits occur with the same frequency n}}</ref>
*the sum of two fifth powers: 7744&nbsp;=&nbsp;6<sup>5</sup>&nbsp;+&nbsp;(&minus;2)<sup>5</sup>.<ref>{{Cite OEIS|A020896|name=Positive numbers n such that n = x^5 + y^5 has a solution in nonzero integers x, y}}</ref>
*a [[Harshad number]] in bases 5, 9, 10, 12, 14 and 15.
*the [[aliquot sum]] of both 10316 and 15482.
*part of the 29-aliquot tree.

The complete aliquot sequence starting  at 7716 is: 7716, 10316, '''7744''', 9147, 3053, 115, 29, 1, 0