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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

Cardinalone hundred sixty-six
one hundred sixty-six
Number of digits3
Sum of digits13
Product of digits36
Number parityEven
Calculation was done in 0.0000360012 seconds

Prime Factorization of 166

Prime factorization2 x 83
Prime factors2, 83
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)2
Sum of prime factors85
Product of prime factors166
Calculation was done in 0.0000200272 seconds

Divisors of 166

List of proper divisors 1, 2, 83
List of all dividers1, 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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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
Calculation was done in 0.0048809052 seconds

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.
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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)4574296
Square root of 16612.884098726725
Natural Logarithm (ln) of 1665.1119877883565
Decimal Logarithm (log) of 1662.2201080880401
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 1660.48329156372826
Cosecant of 1662.0691443324309
Cosine of 166-0.87545945904371
Secant of 166-1.1422573480357
Tangent of 166-0.55204333991225
Cotangent of 166-1.8114519779533
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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?

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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)
Calculation was done in 0.0000021458 seconds

Numeral systems

How to write 166 in other number systems?
Bengali numerals১৬৬
Eastern Arabic numerals١٦٦
Hieroglyphs numeralsused in Ancient Egypt𓍢𓎋𓏿
Khmer numerals១៦៦
Japanese numerals百六十六
Roman numeralsCLXVI
Thai numerals๑๖๖
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How do you say 166 in 38 different languages?
Arabicمائة و ستة و ستون
Croatiansto šezdeset i šest
Czechsto šedesát šest
Danish et hundrede seks og tres
Estonianalafa ɖeka blaade vɔ ade
Filipinoisáng daán at anim na pû’t anim
Frenchcent soixante-six
Greekεκατόν εξήντα έξι
Hebrewמאה שישים ושש
Hindiएक सौ छियासठ
Icelandiceitt­hundrað og sextíu og sex
Indonesianseratus enam puluh enam
Latviansimt sešdesmit seši
Lithuanianšimtas šešiasdešimt šeši
Norwegianhundre og seksti­seks
Persianصد و شصت و شش
Polishsto sześćdziesiąt sześć
Portuguesecento e sessenta e seis
Romanianuna sută şasezeci şi şase
Russianсто шестьдесят шесть
Serbianсто шездесет и шест
Slovakjedna­sto šesťdesiat­šesť
Slovenesto šestdeset šest
Spanish ciento sesenta y seis
Swahilimia moja na sitini na sita
Turkishyüz altmış altı
Ukrainianсто шістдесят шість
Vietnamesemột trăm sáu mươi sáu
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Number 166 reversed661
ASCII Code166¦
Unicode CharacterU+00A6¦
Hexadecimal color (shorthand)#116666
Unix TimestampThu, 01 Jan 1970 00:02:46 +0000
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