the 25th distinct
semiprime and the 13th of the form (2.q).
together with
85 and
87, forms the middle semiprime in the 2nd cluster of three consecutive
semiprimes; the first comprising
33,
34,
35.[3]
an
Erdős–Woods number, since it is possible to find sequences of 86 consecutive integers such that each inner member shares a factor with either the first or the last member.[4]
In American English, and particularly in the food service industry,
86 has become a slang term referring to an item being out of stock or discontinued, and by extension to a person no longer welcome on the premises.[9]
The number of the French department
Vienne. This number is also reflected in the department's
postal code and in the name of a local basketball club,
Poitiers Basket 86.
An art gallery in Ventura, California, displaying art pieces from such artists
Billy Childish,
Stacy Lande and
Derek Hess, most of which include the number *86 hidden or overtly shown in the art, and some of which fall under the genre of
lowbrow.