| Numeral systems by culture | | Hindu-Arabic numerals | Western Arabic Eastern Arabic Khmer | Indian family Brahmi Thai | | East Asian numerals | Chinese Chinese counting rods | Korean Japanese | | Alphabetic numerals | Abjad Armenian Cyrillic Ge'ez | Hebrew Ionian/Greek Sanskrit | | Other systems | Attic Etruscan Urnfield Roman | Babylonian Egyptian Mayan | | List of numeral system topics | | Positional systems by base | | Decimal (10) | | 2, 4, 8, 16, 32, 64 | | 3, 9, 12, 24, 30, 36, 60, more… | | | A Hexavigesimal numeral system has a base of twenty-six. A numeral is a symbol or group of symbols, or a word in a natural language that represents a number. ...
The Hindu-Arabic numeral system (also called Algorism) is a positional decimal numeral system documented from the 9th century. ...
Numerals sans-serif Arabic numerals, known formally as Hindu-Arabic numerals, and also as Indian numerals, Hindu numerals, Western Arabic numerals, European numerals, or Western numerals, are the most common symbolic representation of numbers around the world. ...
The Eastern Arabic numerals (also called Eastern Arabic numerals, Arabic-Indic numerals, Arabic Eastern Numerals) are the symbols (glyphs) used to represent the Hindu-Arabic numeral system in conjunction with the Arabic alphabet in Egypt, Iran, Pakistan and parts of India, and also in the no longer used Ottoman Turkish...
Khmer numerals are the numerals used in the Khmer language of Cambodia. ...
India has produced many numeral systems. ...
The Brahmi numerals are an indigenous Indian numeral system attested from the 3rd century BCE (somewhat later in the case of most of the tens). ...
The counting rods (Traditional Chinese: , Simplified Chinese: , pinyin: chou2) were used by ancient Chinese before the invention of the abacus. ...
The Abjad numerals are a decimal numeral system which was used in the Arabic-speaking world prior to the use of the Hindu-Arabic numerals from the 8th century, and in parallel with the latter until Modern times. ...
Cyrillic numerals was a numbering system derived from the Cyrillic alphabet, used by South and East Slavic peoples. ...
Note: This article contains special characters. ...
The system of Hebrew numerals is a quasi-decimal alphabetic numeral system using the letters of the Hebrew alphabet. ...
Greek numerals are a system of representing numbers using letters of the Greek alphabet. ...
The Sanskrit alphabetic numerals were created in about A.D. 510 by Äryabhaa. ...
Attic numerals were used by ancient Greeks, possibly from the 7th century BC. They were also known as Herodianic numerals because they were first described in a 2nd century manuscript by Herodian. ...
The Etruscan numerals were used by the ancient Etruscans. ...
During the beginning of the Urnfield culture, around 1200 BC, a series of votive sickles of bronze with marks that have been interpreted as a numeral system, appeared in Central Europe. ...
Roman numerals are a numeral system originating in ancient Rome, adapted from Etruscan numerals. ...
Babylonian numerals were written in cuneiform, using a wedge-tipped reed stylus to make a mark on a soft clay tablet which would be exposed in the sun to harden to create a permanent record. ...
Mayan numerals. ...
This is a list of numeral system topics, by Wikipedia page. ...
A positional notation or place-value notation system is a numeral system in which each position is related to the next by a constant multiplier, a common ratio, called the base or radix of that numeral system. ...
The radix (Latin for root), also called base, is the number of various unique symbols (or digits or numerals) a positional numeral system uses to represent numbers. ...
The decimal (base ten or occasionally denary) numeral system has ten as its base. ...
The binary numeral system, or base-2 number system, is a numeral system that represents numeric values using two symbols, usually 0 and 1. ...
Quaternary is the base four numeral system. ...
The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7. ...
In mathematics and computer science, hexadecimal, base-16, or simply hex, is a numeral system with a radix, or base, of 16, usually written using the symbols 0â9 and AâF, or aâf. ...
Base32 is a derivation of Base64 with the following additional properties: The resulting character set is all uppercase, which can often be beneficial when using a case-sensitive filesystem. ...
It has been suggested that Radix-64 be merged into this article or section. ...
Ternary or trinary is the base-3 numeral system. ...
Nonary is a base 9 numeral system, typically using the digits 0-8, but not the digit 9. ...
The duodecimal (also known as base-12 or dozenal) system is a numeral system using twelve as its base. ...
As there are 24 hours in a day a numbering system based upon 24, and as the base 12 is convenient here some examples of the base 24 (quadrovigesimal) system. ...
Base 30 or trigesimal is a positional numeral system using 30 as the radix. ...
Base 36 refers to a positional numeral system using 36 as the radix. ...
The sexagesimal (base-sixty) is a numeral system with sixty as the base. ...
A numeral is a symbol or group of symbols, or a word in a natural language that represents a number. ...
26 (twenty-six) is the natural number following 25 and preceding 27. ...
Base 26 is a fairly natural way of representing numbers as text using the 26-letter Latin alphabet. The number of interest is expressed in base 26, and then the 26 different base-26 digits are identified with letters as 0=A, 1=B, 2=C, ... 25=Z. The Latin alphabet, also called the Roman alphabet, is the most widely used alphabetic writing system in the world today. ...
A number is an abstract idea used in counting and measuring. ...
This system is of limited practical value, although letters used in nominal or serial numbers can be thought as hexavigesimal numerals for calculation purposes if the entire alphabet is used. Nominal numbers are numbers used for identification only. ...
A serial number is a unique number that is one of a series assigned for identification which varies from its successor or predecessor by a fixed discrete integer value. ...
Use The worksheet columns in Microsoft Excel are numbered with hexavigesimal labels. Strictly understood, it is in the 26-adic system beginning with A=1, B=2, ... Z=26 ... AA = 27 ... This article or section does not adequately cite its references or sources. ...
Bijective numeration is any numeral system that establishes a bijection between the set of non-negative integers and the set of finite strings over a finite set of digits. ...
Fractions The fact that 26 is a composite number and lies between two composite numbers (25 and 27) leads to many simple fractions. 26 (twenty-six) is the natural number following 25 and preceding 27. ...
A composite number is a positive integer which has a positive divisor other than one or itself. ...
25 (twenty-five) is the natural number following 24 and preceding 26. ...
27 (twenty-seven) is the natural number following 26 and preceding 28. ...
B/C = A.N B/D = A.IRIRIRIR... B/E = A.GN B/F = A.FFFFFFF... The fractions B/G, B/I, B/J, B/K, B/M, B/N, B/P, B/Q are also simple.
Example Encoding Algorithm This Java implementation shows how to convert base10 to base26. For the sake of simplicity StringBuffer or StringBuilder wasn't used. 97 is a magic number which refers to the ASCII code of the letter 'a' . Note that you can actually replace the 97 with 'a' in Java. However, it's not that easy with every language, hence the magic number, which should make porting a bit easier. Java is a programming language originally developed by Sun Microsystems and released in 1995. ...
In computer programming, a magic number is a constant used to identify the file or data type employed. ...
Image:ASCII fullsvg There are 95 printable ASCII characters, numbered 32 to 126. ...
public static String toBase26(int i){ String s=""; while(i>25){ int r=i%26; i=i/26; s=(char)(r+97)+s; } s=(char)(i+97)+s; return s; } |