283 has 2 divisors, whose sum is σ = 284. Its totient is φ = 282.

The previous prime is 281. The next prime is 293. The reversal of 283 is 382.

Subtracting 283 from its reverse (382), we obtain a palindrome (99).

283 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a weak prime.

283 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 283 - 2^{1} = 281 is a prime.

Together with 281, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as **2**^{5} + **8** + **3**^{5} .

283 is a lucky number.

It is a plaindrome in base 9, base 11, base 13, base 15 and base 16.

It is a nialpdrome in base 7 and base 8.

It is not a weakly prime, because it can be changed into another prime (281) 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, 141 + 142.

It is an arithmetic number, because the mean of its divisors is an integer number (142).

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

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

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

The product of its digits is 48, while the sum is 13.

The square root of 283 is about 16.8226038413. The cubic root of 283 is about 6.5654144273.

The spelling of 283 in words is "two hundred eighty-three", and thus it is an aban number.

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.047 sec. • engine limits •