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# 27

Number 27 (twenty-seven) is an odd two-digits composite number and natural number following 26 and preceding 28.

## Properties of the number 27

 Nominal 27 Cardinal twenty-seven Ordinal 27th Number of digits 2 Sum of digits 9 Product of digits 14 Number parity Odd
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## Prime Factorization of 27

 Prime factorization 3 x 3 x 3 Prime factorization in exponent form 33 Prime factors 3 Number of distinct prime factors ω(n) 1 Total number of prime factors Ω(n) 3 Sum of prime factors 3 Product of prime factors 3
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## Divisors of 27

 List of proper divisors 1, 3, 9 List of all dividers 1, 3, 9, 27 Number of divisors d(n) 4 Sum of all divisors σ(n) 40 Aliquot sum 13 27 is a deficient number , since it is larger than the sum of its proper divisors (13). Its deficiency is 14.
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## Prime numbers

 Is 27 a prime number? No Is 27 a semiprime number? No Is 27 a Chen prime number? No Is 27 a Mersenne prime number? No
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## Sequences

 Is 27 a Catalan number? No Is 27 a Fibonacci number? No Is 27 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.
 27 is not a Happy number 27 is a Humble number 27 is not a Münchhausen number 27 is not a Perfect number 27 is not a Perfect square 27 is not a Palindrome
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## Numeric Bases of 27

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
2Binary110112
3Ternary10003
4Quaternary1234
5Quinary1025
6Senary436
7Septenary367
8Octal338
9Nonary309
10Decimal27
12Duodecimal2312
20Vigesimal1720
36Base36r36
60SexagesimalR60
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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 27 (n2) 729 Cube of 27 (n3) 19683 Square root of 27 5.19615 Natural Logarithm (ln) of 27 3.29584 Decimal Logarithm (log) of 27 1.43136
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 27 0.956376 Cosecant of 27 1.04561 Cosine of 27 -0.292139 Secant of 27 -3.42303 Tangent of 27 -3.2737 Cotangent of 27 -0.305464
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## Number parity

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

No

### Is 27 an Odd Number?

Yes, the number 27 is an odd number.
Total number of all odd numbers from 1 to 27 is 14
Sum of all the odd numbers from 1 to 27 are 196
The sum of all odd numbers is a perfect square: 196 = 14
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
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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 27 in words is "twenty-seven", meaning that: 27 is an aban number (a number without the letter a) 27 is not an eban number (as it contains the letter e) 27 is an iban number (a number without the letter i) 27 is an oban number (a number without the letter o) 27 is not a tban number (as it contains the letter t) 27 is an uban number (a number without the letter u)
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## Numeral systems

How to write 27 in other number systems?
 Bengali numerals ২৭ Eastern Arabic numerals ٢٧ Hieroglyphs numeralsused in Ancient Egypt 𓎇𓐀 Khmer numerals ២៧ Japanese numerals 二十七 Roman numerals XXVII Thai numerals ๒๗
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## Translation

How do you say 27 in 38 different languages?
 Arabic سبعة و عشرون Croatian dvadeset i sedam Czech dvacet sedm Danish syv og tyve Dutch zevenentwintig Estonian blaeve vɔ adre Faroese tjúgo­sjey Filipino dalawáng pû’t pitó Finnish kaksi­kymmentä­seitsemän French vingt-sept Greek είκοσι επτά German sieben­und­zwanzig Hebrew עשרים ושבע Hindi सत्ताईस Hungarian huszon­hét Icelandic tuttugu og sjó Indonesian dua puluh tujuh Italian ventisette Japanese 二十七 Korean 이십칠 Latvian divdesmit septiņi Lithuanian dvidešimt septyni Norwegian tjue­sju Persian بیست و هفت Polish dwadzieścia siedem Portuguese vinte e sete Romanian douăzeci şi şapte Russian двадцать семь Serbian двадесет и седам Slovak dvadsať­sedem Slovene dvaset sedem Spanish veintisiete Swahili ishirini na saba Swedish tjugosju Thai ยี่​สิบ​เจ็ด Turkish yirmi yedi Ukrainian двадцять сім Vietnamese hai mươi bảy
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## Miscellaneous

 Number 27 reversed 72 ASCII Code 27  Unicode Character U+001B  Unix Timestamp Thu, 01 Jan 1970 00:00:27 +0000
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