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6941 = 11631
BaseRepresentation
bin1101100011101
3100112002
41230131
5210231
652045
726144
oct15435
910462
106941
115240
124025
13320c
14275b
1520cb
hex1b1d

6941 has 4 divisors (see below), whose sum is σ = 7584. Its totient is φ = 6300.

The previous prime is 6917. The next prime is 6947. The reversal of 6941 is 1496.

Subtracting from 6941 its reverse (1496), we obtain a palindrome (5445).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6941 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 326.

It is an arithmetic number, because the mean of its divisors is an integer number (1896).

26941 is an apocalyptic number.

It is an amenable number.

6941 is a deficient number, since it is larger than the sum of its proper divisors (643).

6941 is a wasteful number, since it uses less digits than its factorization.

6941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 216, while the sum is 20.

The square root of 6941 is about 83.3126641034. The cubic root of 6941 is about 19.0754158639.

The spelling of 6941 in words is "six thousand, nine hundred forty-one".

Divisors: 1 11 631 6941