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# 26

Number 26 (twenty-six) is an even two-digits composite number and natural number following 25 and preceding 27.

## Properties of the number 26

 Nominal 26 Cardinal twenty-six Ordinal 26th Number of digits 2 Sum of digits 8 Product of digits 12 Number parity Even
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## Prime Factorization of 26

 Prime factorization 2 x 13 Prime factors 2, 13 Number of distinct prime factors ω(n) 2 Total number of prime factors Ω(n) 2 Sum of prime factors 15 Product of prime factors 26
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## Divisors of 26

 List of proper divisors 1, 2, 13 List of all dividers 1, 2, 13, 26 Number of divisors d(n) 4 Sum of all divisors σ(n) 42 Aliquot sum 16 26 is a deficient number , since it is larger than the sum of its proper divisors (16). Its deficiency is 10.
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## Prime numbers

 Is 26 a prime number? No Is 26 a semiprime number? Yes Is 26 a Chen prime number? No Is 26 a Mersenne prime number? No
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## Sequences

 Is 26 a Catalan number? No Is 26 a Fibonacci number? No Is 26 a Idoneal number? No
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## Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
 26 is not a Happy number 26 is not a Humble number 26 is not a Münchhausen number 26 is not a Perfect number 26 is not a Perfect square 26 is not a Palindrome
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## Numeric Bases of 26

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.
BaseSystemValue
2Binary110102
3Ternary2223
4Quaternary1224
5Quinary1015
6Senary426
7Septenary357
8Octal328
9Nonary289
10Decimal26
12Duodecimal2212
16Hexadecimal1a16
20Vigesimal1620
36Base36q36
60SexagesimalQ60
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## Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
 Square of 26 (n2) 676 Cube of 26 (n3) 17576 Square root of 26 5.09902 Natural Logarithm (ln) of 26 3.2581 Decimal Logarithm (log) of 26 1.41497
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 26 0.762558 Cosecant of 26 1.31137 Cosine of 26 0.646919 Secant of 26 1.54579 Tangent of 26 1.17875 Cotangent of 26 0.848354
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## Number parity

Parity is the property of an integer of whether it is even or odd.

### Is 26 an Even Number?

Yes, the number 26 is an even number.

### Is 26 an Odd Number?

No
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## Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".
 The spelling of 26 in words is "twenty-six", meaning that: 26 is an aban number (a number without the letter a) 26 is not an eban number (as it contains the letter e) 26 is not an iban number (as it contains the letter i) 26 is an oban number (a number without the letter o) 26 is not a tban number (as it contains the letter t) 26 is an uban number (a number without the letter u)
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## Numeral systems

How to write 26 in other number systems?
 Bengali numerals ২৬ Eastern Arabic numerals ٢٦ Hieroglyphs numeralsused in Ancient Egypt 𓎇𓏿 Khmer numerals ២៦ Japanese numerals 二十六 Roman numerals XXVI Thai numerals ๒๖
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## Translation

How do you say 26 in 38 different languages?
 Arabic ستة و عشرون Croatian dvadeset i šest Czech dvacet šest Danish seks og tyve Dutch zesentwintig Estonian blaeve vɔ ade Faroese tjúgo­seks Filipino dalawáng pû’t anim Finnish kaksi­kymmentä­kuusi French vingt-six Greek είκοσι έξι German sechs­und­zwanzig Hebrew עשרים ושש Hindi छब्बीस Hungarian huszon­hat Icelandic tuttugu og sex Indonesian dua puluh enam Italian ventisei Japanese 二十六 Korean 이십육 Latvian divdesmit seši Lithuanian dvidešimt šeši Norwegian tjue­seks Persian بیست و شش Polish dwadzieścia sześć Portuguese vinte e seis Romanian douăzeci şi şase Russian двадцать шесть Serbian двадесет и шест Slovak dvadsať­šesť Slovene dvaset šest Spanish veintiseis Swahili ishirini na sita Swedish tjugosex Thai ยี่​สิบ​หก Turkish yirmi altı Ukrainian двадцять шість Vietnamese hai mươi sáu
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## Miscellaneous

 Number 26 reversed 62 ASCII Code 26  Unicode Character U+001A  Unix Timestamp Thu, 01 Jan 1970 00:00:26 +0000
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