Appendix:German historical numbers

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Numbers from a base-12 number system and other historical numbers.

Duodecimal (base-12):

Number Word (English equivalent) Mathematical formula
12 Dutzend dozen 12 x 1
13 Bäckersdutzend baker's dozen 12 x 1 + 1
13 Teufelsdutzend (literally Devil's dozen) 12 x 1 + 1
24 Stiege 12 x 2
60 Schock 12 x 5
120 Großhundert great hundred 12 x 10
144 Gros gross 12 x 12
1200 Großtausend long thousand 12 x 100
1728 Maß great gross 12 x 12 x 12

Vigesimal (base 20):

Number Word (English equivalent) Mathematical formula
10 Halbstiege 20 x ½
20 Stiege score 20 x 1
60 Schock 20 x 3

Other numbers: