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5397

5397 is a positive integer that follows 5396 and precedes 5398. It is a composite number with prime factorization 5397 = 3 × 7 × 257, making it square-free and having eight positive divisors: 1, 3, 7, 21, 257, 771, 1799, and 5397.

Because the digit sum is 24, 5397 is divisible by 3 but not by 9. In hexadecimal,

Its Euler totient is φ(5397) = 3072, meaning that there are 3072 integers between 1 and 5396 that

As a small, well-factorized composite number, 5397 serves as a straightforward case study for illustrating basic

it
is
0x1515;
in
octal,
it
is
0o12425;
in
binary,
it
is
1010100010101,
a
palindromic
representation.
are
coprime
to
5397.
From
a
number-theory
perspective,
5397
is
the
product
of
three
distinct
primes,
two
of
which
are
Fermat
primes
(3
and
257)
and
one
(7)
is
not.
This
combination
makes
5397
a
useful
example
in
discussions
of
factorization,
modular
arithmetic,
and
base
representations.
divisor
structure,
base
conversion,
and
totient
computation
in
introductory
number
theory.