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# 16

Number 16 (sixteen) is an even two-digits composite number and natural number following 15 and preceding 17.

## Properties of the number 16

 Nominal 16 Cardinal sixteen Ordinal 16th Number of digits 2 Sum of digits 7 Product of digits 6 Number parity Even
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## Prime Factorization of 16

 Prime factorization 2 x 2 x 2 x 2 Prime factorization in exponent form 24 Prime factors 2 Number of distinct prime factors ω(n) 1 Total number of prime factors Ω(n) 4 Sum of prime factors 2 Product of prime factors 2
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## Divisors of 16

 List of proper divisors 1, 2, 4, 8 List of all dividers 1, 2, 4, 8, 16 Number of divisors d(n) 5 Sum of all divisors σ(n) 31 Aliquot sum 15 16 is a deficient number , since it is larger than the sum of its proper divisors (15). Its deficiency is 1.
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## Prime numbers

 Is 16 a prime number? No Is 16 a semiprime number? No Is 16 a Chen prime number? No Is 16 a Mersenne prime number? No
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## Sequences

 Is 16 a Catalan number? No Is 16 a Fibonacci number? No Is 16 a Idoneal number? Yes: I13
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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.
 16 is not a Happy number 16 is a Humble number 16 is not a Münchhausen number 16 is not a Perfect number 16 is a Perfect square 16 is not a Palindrome
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## Numeric Bases of 16

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
2Binary100002
3Ternary1213
4Quaternary1004
5Quinary315
6Senary246
7Septenary227
8Octal208
9Nonary179
10Decimal16
12Duodecimal1412
16Hexadecimal1016
20Vigesimalg20
36Base36g36
60SexagesimalG60
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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 16 (n2) 256 Cube of 16 (n3) 4096 Square root of 16 4 Natural Logarithm (ln) of 16 2.77259 Decimal Logarithm (log) of 16 1.20412
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 16 -0.287903 Cosecant of 16 -3.47339 Cosine of 16 -0.957659 Secant of 16 -1.04421 Tangent of 16 0.300632 Cotangent of 16 3.32632
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## Number parity

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

### Is 16 an Even Number?

Yes, the number 16 is an even number.

### Is 16 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 16 in words is "sixteen", meaning that: 16 is an aban number (a number without the letter a) 16 is not an eban number (as it contains the letter e) 16 is not an iban number (as it contains the letter i) 16 is an oban number (a number without the letter o) 16 is not a tban number (as it contains the letter t) 16 is an uban number (a number without the letter u)
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## Numeral systems

How to write 16 in other number systems?
 Bengali numerals ১৬ Eastern Arabic numerals ١٦ Hieroglyphs numeralsused in Ancient Egypt 𓎆𓏿 Khmer numerals ១៦ Japanese numerals 十六 Roman numerals XVI Thai numerals ๑๖
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## Translation

How do you say 16 in 38 different languages?
 Arabic ستة عشر Croatian šesnaest Czech šestnáct Danish seksten Dutch zestien Estonian wuiade Faroese sekstan Filipino labíng-anim Finnish kuusitoista French seize Greek δεκα­έξι German sechzehn Hebrew שש עשרה Hindi सोलह Hungarian tizen­hat Icelandic sextán Indonesian enam belas Italian sedici Japanese 十六 Korean 십육 Latvian sešpadsmit Lithuanian šešiolika Norwegian seksten Persian شانزده Polish szesnaście Portuguese dezesseis Romanian şasesprezece Russian шестнадцать Serbian шеснаест Slovak šestnásť Slovene šestnajst Spanish dieciseis Swahili kumi na sita Swedish sexton Thai สิบ​หก Turkish on altı Ukrainian шістнадцять Vietnamese mười sáu
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## Miscellaneous

 Number 16 reversed 61 ASCII Code 16  Unicode Character U+0010  Unix Timestamp Thu, 01 Jan 1970 00:00:16 +0000
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