This is a list of numeral system topics and "numeric representations". It does not systematically list computer formats for storing numbers, see also: computer numbering formats and number names.

[edit] Arranged by base

• Radix, radix point, mixed radix, base (mathematics)
• Unary numeral system (base 1)
  • Tally marks
• Binary numeral system (base 2)
• Negative base numeral system (base −2)
• Ternary numeral system numeral system (base 3)
• Balanced ternary numeral system (base 3)
• Negative base numeral system (base −3)
• Quaternary numeral system (base 4)
• Quater-imaginary base (base 2√−1)
• Quinary numeral system (base 5)
  • Pentimal system
• Senary numeral system (base 6)
• Septenary numeral system (base 7)
• Octal numeral system (base 8)
• Nonary (novenary) numeral system (base 9)
• Decimal (denary) numeral system (base 10)
  • Bi-quinary coded decimal
• Negative base numeral system (base −10)
• Duodecimal (dozenal) numeral system (base 12)
• Hexadecimal numeral system (base 16)
• Vigesimal numeral system (base 20)
• Sexagesimal numeral system (base 60)

[edit] Arranged by culture

• Australian Aboriginal enumeration
• Armenian numerals
• Babylonian numerals
• Chinese numerals
  • Counting rods
• Colombian numerals
• Greek numerals
• Hebrew numerals
• Hindu–Arabic numeral system
  • Arabic numerals
  • Indian numerals
  • Thai numerals
• Japanese numerals
• Korean numerals
• Maya numerals
• Moksha numerals
• Prehistoric numerals
• Roman numerals
• Welsh numerals

[edit] Other

• Algorism
• Goodstein's theorem
• Myriad
• Non-standard positional numeral systems
• Quipu
• Tally stick
• Tally mark