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4291

4291 is a natural number that comes after 4290 and before 4292. It is an odd, four-digit composite number. Its prime factorization is 7 × 613, with 7 and 613 both prime. As a result, 4291 is a semiprime and has exactly four positive divisors: 1, 7, 613, and 4291. The number is square-free, since its prime factors are distinct.

In terms of modular arithmetic, 4291 is congruent to 1 modulo 6 (because 4290 is divisible by

Context and usage: as a four-digit integer, 4291 does not correspond to a widely recognized constant or

6).
The
digit
sum
is
16,
so
it
is
not
divisible
by
3
or
9.
It
is
not
divisible
by
5.
It
is
odd
and,
of
the
prime
factorization,
divisible
by
7
and
by
613.
historical
year.
It
is
primarily
encountered
in
mathematical
contexts
as
a
concrete
example
of
a
semiprime
and
of
a
number
with
a
simple
factorization
into
two
primes.
Outside
of
number
theory,
it
may
appear
as
an
arbitrary
identifier
or
catalog
number
in
various
databases
or
systems.