976

976 = 2⁴ x 61.

976 is a decagonal number. It is also a centered triangular number.

976 has a square formed by inserting a block of digits inside the original number: 976² = 952,576.

976 has a representation as a sum of two squares: 976 = 20² + 24².

976 is a divisor of 11⁴ - 1.

976-EVIL is a 1989 horror film directed by Robert Englund.

Source: What's Special About This Number?

126

126 = 2 x 3² x 7.

126 is the sixth pentatope number.

126 is 99 in base 13.

126 is a decagonal number and a pentagonal pyramidal number.

126 is the number of prime days in a non-leap year.

The Ferrari 126C was Ferrari's first attempt at turbo-charged Formula 1 car.

Source: Number Gossip

855

855 = 3² x 56 x 19.

855 is the sum of all the digits of all two-digit numbers.

855 is a number that cannot be written as a sum of three squares.

855 is a decagonal number. It is also a centered cube number.

855 is the smallest number that is the sum of five consecutive squares and two consecutive cubes: 855 = 11² + 12² + 13² + 14² + 15² = 7³ + 8³.

855 Newcombia is a asteroid discovered in 1916.

Source: Number Gossip

742

742 = 2 x 7 x 53.

742 is a decagonal number.

742 is the maximum number of regions into which 38 lines divide a plane.

742 is the smallest number that is one more than triple its reverse: 742 = 3 x 247 + 1.

742 is the eighth Keith number.

GJ 742 (Gliese-Jahreiss 742) is a white dwarf star located about 43 light years from Earth in the constellation Draco.

Source: What's Special About This Number?

451

451 = 11 x41.

451 is a decagonal number. It is also a centered decagonal number.

10⁴⁵¹ + 451 is a prime number.

3 plus the integer formed by the first 451 digits after the decimal point in pi is a prime number.

The title of the novel and film Fahrenheit 451 refers to the temperature at which book paper supposedly burns.

Source: Prime Curios!