3126

3126 is a natural number that follows 3125 and precedes 3127. In mathematics, it is an even, composite, and squarefree integer with prime factorization 2 × 3 × 521. Its divisors are 1, 2, 3, 6, 521, 1042, 1563, and 3126. The sum of its digits is 12, so it is divisible by 3 but not by 9. The square root is approximately 55.9, so 3126 is not a perfect square.

In numeral representations, 3126 appears as follows: in binary, 110000110110; in octal, 6066; in hexadecimal, 0xC36; and in Roman numerals, MMMCXXVI.

As an identifying number, 3126 is used in various cataloging, engineering, and transportation contexts where numeric designations are common. There is no single widely recognized historical event, object, or meaning uniquely associated with the number 3126.

Additional notes: because 3126 factors as 2 × 3 × 521, it is squarefree (no repeated prime factors). The number is even and divisible by 3, but not by 5 or 9, and its modular properties vary by base.