1-11 is a numeric symbol used by the Aryan Knights, an Idaho-based prison gang, to identify themselves. Substituting letters for numbers, 1 and 11 mean A and K, i.e., Aryan Knights.

100% is shorthand for "100% white" among white supremacists. It is also common to create alphanumeric variations to proclaim solidarity with a particular white supremacist group or gang, such as "112%" for "100% Aryan Brotherhood."

The number 12 is a numeric symbol for Aryan Brotherhood groups (as are the numbers 1 and 2 separately), especially the Aryan Brotherhood of Texas. Substituting letters for numbers, 12 equals AB, i.e., Aryan Brotherhood.

The number 13 is a numeric symbol for the Aryan Circle, the large Texas-based racist prison gang. Substituting letters for numbers, 1 and 3 equals A and C, i.e., AC or Aryan Circle.

14 is numerical shorthand for the white supremacist slogan known as the "14 Words": "We must secure the existence of our people and a future for white children."

The number combination 14/23 is a numeric symbol associated with the Southern Brotherhood, the largest white supremacist prison gang in Alabama. The 14 is a reference to the white supremacist "14 Words" slogan ("We must secure the existence of our people and a future for white children"), while the 23 refers to the "23 precepts," a list of rules that Southern Brotherhood members must follow, such as "do not make a debt you cannot pay" and "no huffing lacquer." Additional Images:

1488: 14 words and the 8th letter of the alphabet. Combined this creates a powerful symbol for white supremacists. Find out the true meaning of these numbers.

ALTERNATE NAMES: Combat 18, C1818 is a white supremacist alphanumeric code for Adolf Hitler (1=A and 8=H). It is most commonly associated with the British white supremacist group Combat 18 or C18. Occasionally, Combat 18 cells appear in the United States, but they tend to be small and short-lived. Additional Images:

Members of the Unforgiven, a Florida-based racist prison gang, use the numeric symbol 21-2-12 as a sort of slogan. Substituting letters for numbers, 21 stands for U ("Unity"), 2 stands for B ("Brotherhood") and 12 stands for L ("Loyalty"). Additional Images:

The number combination 23/16 is a numeric symbol used by white supremacists, particularly common on the West Coast. Substituting letters for numbers, the 23/16 equates to W/P or "White Power." Occasionally the number 23 appears by itself, as a condensed version. Sometimes the combination is rendered as 16/23, in which case it is usually intended to mean P/W for "peckerwood." Additional Images:

28 is the white supremacist alphanumeric code for Blood & Honour (2=B and 8=H), an international racist skinhead group that began in Great Britain in the 1980s.  Additional Images:

ALTERNATE NAMES: 8318The number 318 is a white supremacist numeric symbol. The 3 in the symbol is a numeric substitution for the letter C, thus making the symbol C18 or C-18. This in itself is code for a British white supremacist group, Combat 18, that occasionally has a presence in the United States. The 18 in its name is another numeric substitution symbol standing for Adolf Hitler. In the United States, 318 is most commonly associated with the Aryan Terror Brigade, a racist skinhead group…

The number 33 is used by Ku Klux Klan adherents to signify the Ku Klux Klan. Since the 11th letter of the alphabet is K, three Ks signify "KKK" or the Ku Klux Klan. When using this reference, Klan members will frequently add the number 6 at the end, as in 33/6, because they think the Klan is currently in its sixth historical "era." Less commonly, some holdouts may still use the numeric code 33/5. Additional Images:

ALTERNATE NAMES: Crossed HammersThe number 38 is used as a numeric symbol by members of the Hammerskins, a racist skinhead group. Substituting letters for numbers, 38 stands for CH or "Crossed Hammers," a reference to the crossed hammers of the group's logo. The most common use of this numeric symbol is with Crew 38, a Hammerskin "support" group consisting of female associates of the group as well as males interested in becoming members. A variation on the symbol is 838, which stands for "Hail…