856

856 = 2³ x 107. It is the product of the cube of a prime and a different prime.

856 is a nonagonal number. It is also a centered pentagonal number.

856 is 11411 in base 6 and 2332 in base 7.

856 is a member of the Fibonacci-like sequence that begins with 1 and 9: 1, 9, 10, 19, 29, 48, 77, 125, 202, 327, 529, 856, 1385, . . .

NWA 856 is a Mars meteorite found in Morocco in 2001.

Source: Positive Integers