Search a number
-
+
11279 is a prime number
BaseRepresentation
bin10110000001111
3120110202
42300033
5330104
6124115
744612
oct26017
916422
1011279
118524
12663b
135198
144179
15351e
hex2c0f

11279 has 2 divisors, whose sum is σ = 11280. Its totient is φ = 11278.

The previous prime is 11273. The next prime is 11287. The reversal of 11279 is 97211.

It can be divided in two parts, 112 and 79, that added together give a palindrome (191).

11279 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11279 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639 + 5640.

It is an arithmetic number, because the mean of its divisors is an integer number (5640).

211279 is an apocalyptic number.

11279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11279 is an equidigital number, since it uses as much as digits as its factorization.

11279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 20.

The square root of 11279 is about 106.2026365021. The cubic root of 11279 is about 22.4262606554.

The spelling of 11279 in words is "eleven thousand, two hundred seventy-nine".