What is Numeral System?
Numerals are the symbols used to represent numbers. A notational symbol that represents a number is called a numeral.
A
numeral system is a writing system for expressing numbers. A
mathematical notation for representing numbers of a given set, using
digits or other symbols in a consistent manner.
Numeral System List:
By Culture:
| Indian | Chinese | Roman | Greek | Hindu Arabic |
|---|---|---|---|---|
| 0 | 零 | Ⅰ | α | 0 |
| १ | 一 | Ⅱ | β | 1 |
| २ | 二 | Ⅲ | γ | 2 |
| ३ | 三 | Ⅳ | δ | 3 |
| ४ | 四 | Ⅴ | ε | 4 |
| ५ | 五 | Ⅵ | ϝ | 5 |
| ६ | 六 | Ⅶ | ζ | 6 |
| ७ | 七 | Ⅷ | η | 7 |
| ८ | 八 | Ⅸ | θ | 8 |
| ९ | 九 | Ⅹ | ι | 9 |
By Positional Notation:
| Name | Base |
|---|---|
| Unary | 1 |
| Binary | 2 |
| Ternary | 3 |
| Quaternary | 4 |
| Quinary | 5 |
| Senary | 6 |
| Octal | 8 |
| Decimal | 10 |
| Undecimal | 11 |
| Duodecimal | 12 |
| Tridecimal | 13 |
| Tertadecimal | 14 |
| Pentadecimal | 15 |
| Hexadecimal | 16 |
| Vigesimal | 20 |
| Tetravigesimal | 24 |
| Heptavigesimal | 27 |
| Trigesimal | 30 |
| Duotrigesimal | 32 |
| Hexatrigesimal | 36 |
| Sexagesimal | 60 |
| Tetrasexagesimal | 64 |
| Pentoctogesimal | 85 |
| Negabinary | -2 |
| Negaternary | -3 |
| Negadecimal | -10 |
| Quarter Imaginary | 2i |
| Twindragon | −1 ± i |
| Golden ratio base | φ |
| Base exponential | e |
| Base "Pi-nary" | π |
| Base square root of 2 | √2 |
| Base twelfth root of 2 | ¹²√2 |
Related topics:
Number System | Number Types | Indian Numeral | Roman Numeral | Greek Numeral
List of topics: Maths
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