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9521

9521 is a natural number that follows 9520 and precedes 9522. In mathematics it is identified as a prime number, meaning its only positive divisors are 1 and 9521. As a prime, it does not have a nontrivial factorization into smaller natural numbers.

Since 9521 is congruent to 1 modulo 4, a standard result in number theory guarantees that it

Beyond its role in pure mathematics, 9521 may appear as an identifier in various practical contexts, such

Overall, 9521 is primarily noted in mathematical contexts for being a prime number and for its representation

can
be
expressed
as
the
sum
of
two
squares:
there
exist
integers
a
and
b
such
that
9521
=
a^2
+
b^2.
Representations
of
primes
as
sums
of
two
squares
are
not
unique;
swapping
a
and
b
or
changing
their
signs
provides
other
valid
representations.
as
catalog
numbers,
dataset
labels,
or
product
codes.
Like
many
four-digit
numbers,
its
use
in
such
settings
is
typically
independent
of
its
mathematical
properties.
as
a
sum
of
two
squares,
with
any
additional
uses
arising
from
its
function
as
a
numeric
label
in
non-mathematical
domains.