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18081

Number 18081 is an odd five-digits composite number and natural number following 18080 and preceding 18082.

Properties of the number 18081

Nominal18081
Cardinaleighteen thousand eighty-one
Cardinal
eighteen thousand eighty-one
Ordinal18,081st
Number of digits5
Sum of digits18
Product of digits0
Number parityOdd
Calculation was done in 0.0000381470 seconds

Prime Factorization of 18081

Prime factorization3 x 3 x 7 x 7 x 41
Prime factorization in exponent form32 x 72 x 41
Prime factors3, 7, 41
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)5
Sum of prime factors51
Product of prime factors861
Calculation was done in 0.0000629425 seconds

Divisors of 18081

List of proper divisors 1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027
List of all dividers1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 18081
Number of divisors d(n)18
Sum of all divisors σ(n)31122
Aliquot sum 13041
18081 is a deficient number , since it is larger than the sum of its proper divisors (13041). Its deficiency is 5040.
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Prime numbers

Is 18081 a prime number?No
Is 18081 a semiprime number?No
Is 18081 a Chen prime number?No
Is 18081 a Mersenne prime number?No
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Sequences

Is 18081 a Catalan number?No
Is 18081 a Fibonacci number?No
Is 18081 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.
18081 is a Happy number
18081 is not a Humble number
18081 is not a Münchhausen number
18081 is not a Perfect number
18081 is not a Perfect square
18081 is a Palindrome
Calculation was done in 0.0018999577 seconds

Numeric Bases of 18081

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
2Binary1000110101000012
3Ternary2202102003
4Quaternary101222014
5Quinary10343115
6Senary2154136
7Septenary1035007
8Octal432418
9Nonary267209
10Decimal18081
12Duodecimala56912
16Hexadecimal46a116
20Vigesimal254120
36Base36dy936
60Sexagesimal51L60
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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 18081 (n2)326922561
Cube of 18081 (n3)5911086825441
Square root of 18081134.46560898609
Natural Logarithm (ln) of 180819.8026169421512
Decimal Logarithm (log) of 180814.2572224461876
Calculation was done in 0.0000050068 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 18081-0.90622940828711
Cosecant of 18081-1.1034733488622
Cosine of 18081-0.42278630483448
Secant of 18081-2.3652610989646
Tangent of 180812.1434691661592
Cotangent of 180810.46653341964878
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Number parity

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

Is 18081 an Even Number?

No

Is 18081 an Odd Number?

Yes, the number 18081 is an odd number.
Total number of all odd numbers from 1 to 18081 is 9041
Sum of all the odd numbers from 1 to 18081 are 81739681
The sum of all odd numbers is a perfect square: 81739681 = 9041
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000097752 seconds

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 18081 in words is "eighteen thousand eighty-one", meaning that:
18081 is not an aban number (as it contains the letter a)
18081 is not an eban number (as it contains the letter e)
18081 is not an iban number (as it contains the letter i)
18081 is not an oban number (as it contains the letter o)
18081 is not a tban number (as it contains the letter t)
18081 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 18081 in other number systems?
Bengali numerals১৮০৮১
Eastern Arabic numerals١٨٬٠٨١
Hieroglyphs numeralsused in Ancient Egypt𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎍𓏺
Khmer numerals១៨០៨១
Japanese numerals一万八千八十一
Roman numeralsn/a
Thai numerals๑๘๐๘๑
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Translation

How do you say 18081 in 38 different languages?
Arabicثمانية عشر ألف و واحد و ثمانون
Croatianosamnaest tisuća osamdeset i jedan
Czechosmnáct tisíc osmdesát jeden
Danish atten tusinde og en og firs
Dutchachttienduizend éénentachtig
Estonianakpe wuienyi kple blaenyi vɔ ɖekɛ
Faroeseátjan tusin og áttati­ein
Filipinolabíng-walóng libó’t walóng pû’t isá
Finnishkahdeksantoista­tuhatta­kahdeksan­kymmentä­yksi
Frenchdix-huit mille quatre-vingt-un
Greekδεκα­οκτώ χίλιάδες ογδόντα ένα
Germanachtzehn­tausend­ein­und­achtzig
Hebrewשמונה עשר אלף שמונים ואחת
Hindiअठारह हज़ार इक्यासी
Hungariantizen­nyolc­ezer­nyolcvan­egy
Icelandicátján þúsund og áttatíu og einn
Indonesiandelapan belas ribu delapan puluh satu
Italiandiciottomilaottantuno
Japanese一万八千八十一
Korean만 팔천팔십일
Latvianastoņpadsmit tūkstoši astoņdesmit viens
Lithuanianaštuoniolika tūkstančių aštuoniasdešimt vienas
Norwegianatten tusen og åtti­én
Persianهجده هزار و هشتاد و یک
Polishosiemnaście tysięcy osiemdziesiąt jeden
Portuguesedezoito mil e oitenta e um
Romanianoptsprezece mii optzeci şi unu
Russianвосемнадцать тысяч восемьдесят один
Serbianосамнаест хиљада осамдесет и један
Slovakosemnásť tisíc osemdesiat­jeden
Sloveneasemnajst tisuću osemdeset ena
Spanish dieciocho mil ochenta y uno
Swahilielfu kumi na nane, themanini na moja
Swedishartontusenåttioen
Thaiหนึ่ง​หมื่น​แปด​พัน​แปด​สิบ​เอ็ด
Turkishon sekiz bin seksen bir
Ukrainianвісімнадцять тисяч вісімдесят один
Vietnamesemười tám nghìn không trăm tám mươi mốt
Calculation was done in 0.0162889957 seconds

Miscellaneous

Number 18081 reversed18081
Unicode CharacterU+46A1
Unix TimestampThu, 01 Jan 1970 05:01:21 +0000
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