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6641

6641 is a natural number. It is a four-digit odd composite number.

Its prime factorization is 6641 = 29 × 229. Both 29 and 229 are primes, so 6641 is a semiprime and square-free. Its divisors are 1, 29, 229, and 6641.

Because both prime factors are congruent to 1 modulo 4, 6641 can be expressed as a sum

In binary, 6641 is 1100111110001.

Digit-related properties include a digit sum of 17, giving a digital root of 8. It is congruent

In number theory, semiprimes are often discussed in the context of factoring and cryptography; however, 6641

See also: semiprime, 29, 229.

of
two
squares:
6641
=
79^2
+
20^2.
to
1
modulo
4
and
congruent
to
8
modulo
9.
is
small
and
not
used
in
practical
cryptographic
applications.