9% is a numeric white supremacist symbol that refers to the percentage of the world's population that is purportedly white.

100% is shorthand among white supremacists for "100% white," though it is also common for them to write out the entire phrase. Among prison populations and places such as California where peckerwood gangs are common, one might... Read more

12 is the numeric code for the white supremacist prison gang Aryan Brotherhood. Substituting letters for numbers, 1 and 2 equals A and B, standing for Aryan Brotherhood.

13 is the numeric code for Aryan Circle, a Texas-based white supremacist prison gang. Substituting letters for numbers, 1 and 3 equals A and C, standing for Aryan Circle.

14 is the numerical shorthand for the "14 Words," the popular white supremacist slogan coined by David Lane: "We must secure the existence of our people and a future for white children."

18 is the alphanumeric code for Adolf Hitler, in which 1 = A and 8 = H. It is often associated with the British white supremacist group Combat 18/C18.

28 is an alphanumeric code for Blood and Honour, an international white supremacist skinhead group, in which 2 = B and 8 = H.

38 is the numeric symbol for the racist skinhead group the Hammerskins. The code substitutes letters for numbers, so 38 stands for CH or "Crossed Hammers," a reference to the crossed hammers of the group's logo.

The numeric code for "Hail Christ," referring to the 8th (H) and 3rd (C) letters of the alphabet. It originated with adherents of Christian Identity, a racist and antisemitic religious sect, but has since also spread to... Read more

The hand sign for the Aryan Nations white supremacist prison gang consists of the fingers held in a pistol shape with the pistol pointed to the sky, referred to as "bolts up" or "bolts to the sky."