List of numeral systems
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There are multiple numeral systems, that is in positional notation for showing numbers.
Here are all numeral systems from 1 to 13:
Numeral systems from 1 to 5
[change | change source]| Name | Base | Talk |
|---|---|---|
| Unary | 1 | A base-1 numeral system is called unary. |
| Binary | 2 | Binary (also called base-2) is a numeral system that has two digits: 0 and 1. |
| Ternary, Trinary | 3 | Ternary numeral system (also called base-3 or trinary) is a numeral system that has three digits: 0, 1, and 2. |
| Quaternary, Quaternal | 4 | Quaternary (also called base-4) is a numeral system that has four digits: 0, 1, 2, and 3. |
| Quinary, Pental | 5 | Quinary system (also called as base-5 or pental) is a numeral system that has five digits: 0, 1, 2, 3, and 4. |
Numeral systems from 6 to 10
[change | change source]| Name | Base | Talk |
|---|---|---|
| Senary, seximal | 6 | Senary numeral system (also known as base-6 heximal or seximal) is a numeral system that has six digits: 0, 1, 2, 3, 4, and 5. |
| Septenary, septimal | 7 | Septenary system (also known as base-7) is a numeral system that has seven digits: 0, 1, 2, 3, 4, 5, and 6. |
| Octal | 8 | Octal (also known as base-8) is a numeral system that has eight digits: 0, 1, 2, 3, 4, 5, 6, and 7. |
| Nonary, nonal | 9 | Done |
| Decimal, denary | 10 | Done |
Numeral systems from 11 to 13
[change | change source]| Name | Base | |
|---|---|---|
| Undecimal, undenary | 11 | |
| Duodecimal, dozenal | 12 | |
| Tredecimal, tridecimal | 13 | |