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↊

↊ U+218A, ↊ TURNED DIGIT TWO ← ↉ [U+2189] Number Forms ↋ → [U+218B]

Translingual

Etymology

From the inversion of 2, which resembles to T for "ten". Introduced by Sir Isaac Pitman.

Numeral

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1. A digit representing 10 in modern duodecimal system.

References

• http://www.dozenalsociety.org.uk/pdfs/MoonBooklet.pdf