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5565

5565 is a positive integer that sits between 5564 and 5566. In number theory, it is a composite number with prime factorization 3 × 5 × 7 × 53. Its digits sum to 21, which makes 5565 divisible by 3, and its factorization confirms its divisibility by 5, 7, and 53 as well.

The number has a total of 16 divisors, including 1, 3, 5, 7, 15, 21, 35, 53,

5565 is a triangular number, specifically T105, because 105 × 106 / 2 equals 5565. This places it

In binary, 5565 is represented as 1010110111101₂. This 13-bit form reflects its decomposition into powers of

105,
159,
265,
371,
795,
1113,
1855,
and
5565.
It
is
also
a
Harshad
(Niven)
number
in
base
10,
since
5565
divided
by
the
sum
of
its
digits
(21)
equals
265.
in
the
sequence
of
numbers
that
can
be
arranged
into
an
equilateral
triangle
of
objects.
two:
2^12,
2^10,
2^8,
2^7,
2^5,
2^4,
2^3,
2^2,
and
2^0.