Friday, May 6, 2011
1133
1133
= 11 x 103.
1133
is 1112222 in base 3.
1133
, 1135, 1137, 1139, and 1141 are all semiprimes.
1133
is a number
n
such that
n
2
is the sum of two or more consecutive squares.
1133
is the sum of three nonzero squares in exactly seven ways.
NGC
1133
is a spiral galaxy in the direction of the constellation Eridanus.
Source:
On-Line Encyclopedia of Integer Sequences
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