Search a number
BaseRepresentation
bin10101010111011
3120000011
42222323
5322224
6122351
743615
oct25273
916004
1010939
118245
1263b7
134c96
143db5
153394
hex2abb

10939 has 2 divisors, whose sum is σ = 10940. Its totient is φ = 10938.

The previous prime is 10937. The next prime is 10949. The reversal of 10939 is 93901.

It is a weak prime.

It is an emirp because it is prime and its reverse (93901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10939 - 21 = 10937 is a prime.

Together with 10937, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (10937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469 + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (5470).

210939 is an apocalyptic number.

10939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10939 is an equidigital number, since it uses as much as digits as its factorization.

10939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 10939 is about 104.5896744426. The cubic root of 10939 is about 22.1986147446.

It can be divided in two parts, 10 and 939, that added together give a palindrome (949).

The spelling of 10939 in words is "ten thousand, nine hundred thirty-nine".