2972

2972 is a natural number that lies between 2971 and 2973. It is an even composite number with prime factorization 2^2 × 743, where 743 is a prime.

In common decimal notation it is 2972. Its representations in other bases include binary 101110011100, hexadecimal 0xB9C, and octal 5634. In base 12 it equals 1878_12.

Its divisors are 1, 2, 4, 743, 1486, and 2972, giving six positive divisors. The sum of all divisors is σ(2972) = 5208, so the sum of proper divisors is 5208 − 2972 = 2236. The number is not a perfect square or a prime; it is divisible by 4.

If year 2972 were used in the Gregorian calendar, it would be a leap year, since it is divisible by 4 but not by 100. As such February would have 29 days in that year.

The number's factorization and base representations are its most notable mathematical properties in standard references; there are no widely used named constants or sequences directly associated with the number 2972.