Numeroan
Numeroan is a constructed numeral system used in the fictional world of Numeria. It serves as both a counting method and a written notation for numbers, and it has been described in conlang and speculative-fiction literature as part of the world’s mathematical culture. The system is base-12 (duodecimal) and relies on a fixed set of twelve digit symbols.
Digits represent zero through eleven, with ten and eleven given distinct glyphs beyond the ten digits used
As with any numeration system, common terms and cultural conventions influence usage. The number ten is written
Historically, Numeroan was developed as part of a broader project to model Numerian mathematics and education.