276 is an even number. This means it can be divided by 2 without a remainder.
It is made up of the digits 2, 7, and 6.
The factors of 276 are: 1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, and 276.
276 is the sum of its divisors (excluding itself), which makes it an abundant number.
276 is also a triangular number. This means it can form a triangle when items are arranged in rows, with each row having one more item than the row above it.
276 is the smallest number for which it is not known if the corresponding aliquot sequence either terminates or ends in a repeating cycle. The number 306 follows the same sequence as 276, since its aliquot sum is the same as 276.
Science
In astronomy, 276 Adelheid is the name of an asteroid in the asteroid belt. It was discovered in 1888.