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18341 is a prime number
BaseRepresentation
bin100011110100101
3221011022
410132211
51041331
6220525
7104321
oct43645
927138
1018341
1112864
12a745
13846b
146981
15567b
hex47a5

18341 has 2 divisors, whose sum is σ = 18342. Its totient is φ = 18340.

The previous prime is 18329. The next prime is 18353. The reversal of 18341 is 14381.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (18329) and next prime (18353).

It can be written as a sum of positive squares in only one way, i.e., 12100 + 6241 = 110^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 18341 - 210 = 17317 is a prime.

It is a Sophie Germain prime.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9170 + 9171.

It is an arithmetic number, because the mean of its divisors is an integer number (9171).

218341 is an apocalyptic number.

It is an amenable number.

18341 is a deficient number, since it is larger than the sum of its proper divisors (1).

18341 is an equidigital number, since it uses as much as digits as its factorization.

18341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 17.

The square root of 18341 is about 135.4289481610. The cubic root of 18341 is about 26.3718746999.

It can be divided in two parts, 183 and 41, that multiplied together give a triangular number (7503 = T122).

The spelling of 18341 in words is "eighteen thousand, three hundred forty-one".