- Trimorphic number
In
mathematics a trimorphic number is anumber whose cube ends in the number itself. For example, 43 = 64, 243 = 13824, and 2493 = 15438249.The first few trimorphic numbers are:
:1, 4, 5, 6, 9, 24, 25, 49, 51, 75, 76, 99, 125, 249 ... OEIS|id=A033819
Every
automorphic number is also a trimorphic number, but there are trimorphic numbers which are not automorphic (such as 4, 9 and 24).References
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