Search a number
-
+
104089 is a prime number
BaseRepresentation
bin11001011010011001
312021210011
4121122121
511312324
62121521
7612316
oct313231
9167704
10104089
1171227
12502a1
13384bb
1429d0d
1520c94
hex19699

104089 has 2 divisors, whose sum is σ = 104090. Its totient is φ = 104088.

The previous prime is 104087. The next prime is 104107. The reversal of 104089 is 980401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100489 + 3600 = 317^2 + 60^2 .

It is an emirp because it is prime and its reverse (980401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104089 - 21 = 104087 is a prime.

Together with 104087, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52044 + 52045.

It is an arithmetic number, because the mean of its divisors is an integer number (52045).

2104089 is an apocalyptic number.

It is an amenable number.

104089 is a deficient number, since it is larger than the sum of its proper divisors (1).

104089 is an equidigital number, since it uses as much as digits as its factorization.

104089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 104089 is about 322.6282690652. The cubic root of 104089 is about 47.0401045955.

The spelling of 104089 in words is "one hundred four thousand, eighty-nine".