Join Us!

Dozenal Society of America

Promoting base twelve and alternative base mathematics

Support the DSA

Donate

Share This Page

The Dozenal Society of America

The DSA is a voluntary, nonprofit education corporation, organized for the conduct of research and education of the public in the use of dozenal (also called duodecimal or base-twelve) in calculations, mathematics, weights and measures, and other branches of pure and applied science.

A Dozen Properties of the Number Twelve

Title:	A Dozen Properties of the Number Twelve
Author:	Dozenal Society of America
Year:	1192
Subject:	Prof. Schiffman examines some number theoretical properties of the dozen.
http://www.dozenal.org/../sites_bck/default/files/db27309_0.pdf

Prof. Schiffman examines some number theoretical properties of the dozen.

This website and the documents on it are licensed under a Creative Commons Attribution 3.0 Unported License.
Numeration on this site is in dozenal (also called duodecimal, or base twelve), using "X" for ten and "E" for eleven.
0 1 2 3 4 5 6 7 8 9 X E 10 11 12 13 14 15 16 17 18 19 1X 1E 20 21 22...
PDF documents may use a Dwiggins stylized "X" and "E" or the Pitman inverted "2" and "3".
The Humphrey point, or semicolon, is used for fractional parts; e.g., "0;6 = 0.5."