Search a number
-
+
16553 is a prime number
BaseRepresentation
bin100000010101001
3211201002
410002221
51012203
6204345
766155
oct40251
924632
1016553
1111489
1296b5
1376c4
146065
154d88
hex40a9

16553 has 2 divisors, whose sum is σ = 16554. Its totient is φ = 16552.

The previous prime is 16547. The next prime is 16561. The reversal of 16553 is 35561.

16553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16384 + 169 = 128^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 16553 - 212 = 12457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (16573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8276 + 8277.

It is an arithmetic number, because the mean of its divisors is an integer number (8277).

216553 is an apocalyptic number.

It is an amenable number.

16553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16553 is an equidigital number, since it uses as much as digits as its factorization.

16553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 20.

The square root of 16553 is about 128.6584626055. The cubic root of 16553 is about 25.4854460074.

The spelling of 16553 in words is "sixteen thousand, five hundred fifty-three".