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BaseRepresentation
bin110001100001
311100101
4301201
5100134
622401
712145
oct6141
94311
103169
112421
121a01
13159a
141225
15e14
hexc61

3169 has 2 divisors, whose sum is σ = 3170. Its totient is φ = 3168.

The previous prime is 3167. The next prime is 3181. The reversal of 3169 is 9613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3025 + 144 = 55^2 + 12^2 .

It is an emirp because it is prime and its reverse (9613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3169 - 21 = 3167 is a prime.

It is a super-2 number, since 2×31692 = 20085122, which contains 22 as substring.

Together with 3167, it forms a pair of twin primes.

It is a plaindrome in base 13 and base 14.

It is a nialpdrome in base 9 and base 16.

It is not a weakly prime, because it can be changed into another prime (3163) 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, 1584 + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (1585).

23169 is an apocalyptic number.

3169 is the 33-rd hex number.

It is an amenable number.

3169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3169 is an equidigital number, since it uses as much as digits as its factorization.

3169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 19.

The square root of 3169 is about 56.2938717802. The cubic root of 3169 is about 14.6883860941.

It can be divided in two parts, 316 and 9, that added together give a triangular number (325 = T25).

The spelling of 3169 in words is "three thousand, one hundred sixty-nine".