4146

4146 is a natural number that follows 4145 and precedes 4147. It is an even, composite number. In base-10 notation its digits are 4, 1, 4, and 6, and the sum of its digits is 15.

Its prime factorization is 4146 = 2 × 3 × 691. Because it has more than two prime factors, it is not a prime and not a perfect square. It is divisible by 2 and by 3, and it lies between 64^2 = 4096 and 65^2 = 4225.

The prime factor 691 is notable in number theory for appearing in the numerator of the Bernoulli number B12, which is -691/2730. This connection is often cited in discussions of Bernoulli numbers and related arithmetic.

In calendrical usage, 4146 may denote a year in the Gregorian calendar. As a common era year, it would lie in the 42nd century (4101–4200). As a before common era year, 4146 BCE would fall in the late 5th millennium BCE. In other contexts, 4146 can serve as a catalog number, model designation, or identifier in various systems, depending on the domain.