Tuesday, November 30, 2010
2133
2133
= 3
3
x 79.
2133
is a 2-
hyperperfect number
.
2133
is an
octagonal number
.
2133
is a
lucky number
that is divisible by the sum of its digits (9).
The HP
2133
Mini-Note
is a small laptop computer.
Source:
What's Special About This Number?
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