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# 166

Number 166 (one hundred sixty-six) is an even three-digits composite number and natural number following 165 and preceding 167.

## Properties of the number 166

 Nominal 166 Cardinal one hundred sixty-six Cardinalone hundred sixty-six Ordinal 166th Number of digits 3 Sum of digits 13 Product of digits 36 Number parity Even
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## Prime Factorization of 166

 Prime factorization 2 x 83 Prime factors 2, 83 Number of distinct prime factors ω(n) 2 Total number of prime factors Ω(n) 2 Sum of prime factors 85 Product of prime factors 166
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## Divisors of 166

 List of proper divisors 1, 2, 83 List of all dividers 1, 2, 83, 166 Number of divisors d(n) 4 Sum of all divisors σ(n) 252 Aliquot sum 86 166 is a deficient number , since it is larger than the sum of its proper divisors (86). Its deficiency is 80.
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## Prime numbers

 Is 166 a prime number? No Is 166 a semiprime number? Yes Is 166 a Chen prime number? No Is 166 a Mersenne prime number? No
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## Sequences

 Is 166 a Catalan number? No Is 166 a Fibonacci number? No Is 166 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.
 166 is not a Happy number 166 is not a Humble number 166 is not a Münchhausen number 166 is not a Perfect number 166 is not a Perfect square 166 is not a Palindrome
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## Numeric Bases of 166

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
2Binary101001102
3Ternary200113
4Quaternary22124
5Quinary11315
6Senary4346
7Septenary3257
8Octal2468
9Nonary2049
10Decimal166
12Duodecimal11a12
20Vigesimal8620
36Base364m36
60Sexagesimal2k60
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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 166 (n2) 27556 Cube of 166 (n3) 4.5743e+06 Square root of 166 12.8841 Natural Logarithm (ln) of 166 5.11199 Decimal Logarithm (log) of 166 2.22011
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 166 0.483292 Cosecant of 166 2.06914 Cosine of 166 -0.875459 Secant of 166 -1.14226 Tangent of 166 -0.552043 Cotangent of 166 -1.81145
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## Number parity

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

### Is 166 an Even Number?

Yes, the number 166 is an even number.

### Is 166 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 166 in words is "one hundred sixty-six", meaning that: 166 is an aban number (a number without the letter a) 166 is not an eban number (as it contains the letter e) 166 is not an iban number (as it contains the letter i) 166 is not an oban number (as it contains the letter o) 166 is not a tban number (as it contains the letter t) 166 is not an uban number (as it contains the letter u)
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## Numeral systems

How to write 166 in other number systems?
 Bengali numerals ১৬৬ Eastern Arabic numerals ١٦٦ Hieroglyphs numeralsused in Ancient Egypt 𓍢𓎋𓏿 Khmer numerals ១៦៦ Japanese numerals 百六十六 Roman numerals CLXVI Thai numerals ๑๖๖
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## Translation

How do you say 166 in 38 different languages?
 Arabic مائة و ستة و ستون Croatian sto šezdeset i šest Czech sto šedesát šest Danish et hundrede seks og tres Dutch honderdzesenzestig Estonian alafa ɖeka blaade vɔ ade Faroese eitt­hundrað­og­seksti­seks Filipino isáng daán at anim na pû’t anim Finnish sata­kuusi­kymmentä­kuusi French cent soixante-six Greek εκατόν εξήντα έξι German ein­hundert­sechs­und­sechzig Hebrew מאה שישים ושש Hindi एक सौ छियासठ Hungarian száz­hatvan­hat Icelandic eitt­hundrað og sextíu og sex Indonesian seratus enam puluh enam Italian centosessantasei Japanese 百六十六 Korean 백육십육 Latvian simt sešdesmit seši Lithuanian šimtas šešiasdešimt šeši Norwegian hundre og seksti­seks Persian صد و شصت و شش Polish sto sześćdziesiąt sześć Portuguese cento e sessenta e seis Romanian una sută şasezeci şi şase Russian сто шестьдесят шесть Serbian сто шездесет и шест Slovak jedna­sto šesťdesiat­šesť Slovene sto šestdeset šest Spanish ciento sesenta y seis Swahili mia moja na sitini na sita Swedish enhundrasextiosex Thai หนึ่ง​ร้อย​หก​สิบ​หก Turkish yüz altmış altı Ukrainian сто шістдесят шість Vietnamese một trăm sáu mươi sáu
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## Miscellaneous

 Number 166 reversed 661 ASCII Code 166 ¦ Unicode Character U+00A6 ¦ Hexadecimal color (shorthand) #116666 Unix Timestamp Thu, 01 Jan 1970 00:02:46 +0000
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