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165

Number 165 (one hundred sixty-five) is an odd three-digits composite number and natural number following 164 and preceding 166.

Properties of the number 165

 Nominal 165 Cardinal one hundred sixty-five Cardinalone hundred sixty-five Ordinal 165th Number of digits 3 Sum of digits 12 Product of digits 30 Number parity Odd
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Prime Factorization of 165

 Prime factorization 3 x 5 x 11 Prime factors 3, 5, 11 Number of distinct prime factors ω(n) 3 Total number of prime factors Ω(n) 3 Sum of prime factors 19 Product of prime factors 165
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Divisors of 165

 List of proper divisors 1, 3, 5, 11, 15, 33, 55 List of all dividers 1, 3, 5, 11, 15, 33, 55, 165 Number of divisors d(n) 8 Sum of all divisors σ(n) 288 Aliquot sum 123 165 is a deficient number , since it is larger than the sum of its proper divisors (123). Its deficiency is 42.
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Prime numbers

 Is 165 a prime number? No Is 165 a semiprime number? No Is 165 a Chen prime number? No Is 165 a Mersenne prime number? No
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Sequences

 Is 165 a Catalan number? No Is 165 a Fibonacci number? No Is 165 a Idoneal number? Yes: I42
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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.
 165 is not a Happy number 165 is not a Humble number 165 is not a Münchhausen number 165 is not a Perfect number 165 is not a Perfect square 165 is not a Palindrome
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Numeric Bases of 165

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
2Binary101001012
3Ternary200103
4Quaternary22114
5Quinary11305
6Senary4336
7Septenary3247
8Octal2458
9Nonary2039
10Decimal165
12Duodecimal11912
20Vigesimal8520
36Base364l36
60Sexagesimal2j60
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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 165 (n2) 27225 Cube of 165 (n3) 4.49212e+06 Square root of 165 12.8452 Natural Logarithm (ln) of 165 5.10595 Decimal Logarithm (log) of 165 2.21748
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 165 0.997797 Cosecant of 165 1.00221 Cosine of 165 -0.0663369 Secant of 165 -15.0746 Tangent of 165 -15.0414 Cotangent of 165 -0.0664834
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Number parity

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

No

Is 165 an Odd Number?

Yes, the number 165 is an odd number.
Total number of all odd numbers from 1 to 165 is 83
Sum of all the odd numbers from 1 to 165 are 6889
The sum of all odd numbers is a perfect square: 6889 = 83
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 165 in words is "one hundred sixty-five", meaning that: 165 is an aban number (a number without the letter a) 165 is not an eban number (as it contains the letter e) 165 is not an iban number (as it contains the letter i) 165 is not an oban number (as it contains the letter o) 165 is not a tban number (as it contains the letter t) 165 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 165 in other number systems?
 Bengali numerals ১৬৫ Eastern Arabic numerals ١٦٥ Hieroglyphs numeralsused in Ancient Egypt 𓍢𓎋𓏾 Khmer numerals ១៦៥ Japanese numerals 百六十五 Roman numerals CLXV Thai numerals ๑๖๕
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Translation

How do you say 165 in 38 different languages?
 Arabic مائة و خمسة و ستون Croatian sto šezdeset i pet Czech sto šedesát pět Danish et hundrede fem og tres Dutch honderdvijfenzestig Estonian alafa ɖeka blaade vɔ atɔ̃ Faroese eitt­hundrað­og­seksti­fimm Filipino isáng daán at anim na pû’t limá Finnish sata­kuusi­kymmentä­viisi French cent soixante-cinq Greek εκατόν εξήντα πέντε German ein­hundert­fünf­und­sechzig Hebrew מאה שישים וחמש Hindi एक सौ पैंसठ Hungarian száz­hatvan­öt Icelandic eitt­hundrað og sextíu og fimm Indonesian seratus enam puluh lima Italian centosessantacinque Japanese 百六十五 Korean 백육십오 Latvian simt sešdesmit pieci Lithuanian šimtas šešiasdešimt penki Norwegian hundre og seksti­fem Persian صد و شصت و پنج Polish sto sześćdziesiąt pięć Portuguese cento e sessenta e cinco Romanian una sută şasezeci şi cinci Russian сто шестьдесят пять Serbian сто шездесет и пет Slovak jedna­sto šesťdesiat­päť Slovene sto šestdeset pet Spanish ciento sesenta y cinco Swahili mia moja na sitini na tano Swedish enhundrasextiofem Thai หนึ่ง​ร้อย​หก​สิบ​ห้า Turkish yüz altmış beş Ukrainian сто шістдесят пʼять Vietnamese một trăm sáu mươi lăm
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Miscellaneous

 Number 165 reversed 561 ASCII Code 165 ¥ Unicode Character U+00A5 ¥ Hexadecimal color (shorthand) #116655 Unix Timestamp Thu, 01 Jan 1970 00:02:45 +0000
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