CentralNotice Octal From Wikipedia, the free encyclopedia Jump to: navigation , search Numeral systems by culture Hindu–Arabic numerals Western Arabic Eastern Arabic Indian family Bengali Tamil Telugu Burmese Khmer Lao Mongolian Sinhala Thai East Asian numerals Chinese Japanese Suzhou Korean Vietnamese Counting rods Alphabetic numerals Abjad Armenian Āryabhaṭa Cyrillic Ge'ez Greek Roman Georgian Hebrew Other historical systems Aegean Attic Babylonian Brahmi Egyptian Etruscan Inuit Kharosthi Mayan Quipu Positional systems by base 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 24 25 26 27 30 32 36 60 64 85 100 Non-standard positional numeral systems List of numeral systems v t e The octal numeral system , or oct for short, is the base -8 number system, and uses the digits 0 to 7. Octal numerals can be made from binary numerals ...