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16673 is a prime number
BaseRepresentation
bin100000100100001
3211212112
410010201
51013143
6205105
766416
oct40441
924775
1016673
1111588
129795
137787
14610d
154e18
hex4121

16673 has 2 divisors, whose sum is σ = 16674. Its totient is φ = 16672.

The previous prime is 16661. The next prime is 16691. The reversal of 16673 is 37661.

16673 is nontrivially palindromic in base 3.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16384 + 289 = 128^2 + 17^2 .

16673 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 16673 - 24 = 16657 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 16673.

It is not a weakly prime, because it can be changed into another prime (16603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8336 + 8337.

It is an arithmetic number, because the mean of its divisors is an integer number (8337).

216673 is an apocalyptic number.

It is an amenable number.

16673 is a deficient number, since it is larger than the sum of its proper divisors (1).

16673 is an equidigital number, since it uses as much as digits as its factorization.

16673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 23.

The square root of 16673 is about 129.1239714383. The cubic root of 16673 is about 25.5468828654.

The spelling of 16673 in words is "sixteen thousand, six hundred seventy-three".