We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from. For more information, please review our cookie policy and privacy policy.
By choosing I Accept, you consent to our use of cookies and other tracking technologies.

80

Number 80 (eighty) is an even two-digits composite number and natural number following 79 and preceding 81.

Properties of the number 80

Nominal80
Cardinaleighty
Ordinal80th
Number of digits2
Sum of digits8
Product of digits0
Number parityEven
Calculation was done in 0.0000391006 seconds

Prime Factorization of 80

Prime factorization2 x 2 x 2 x 2 x 5
Prime factorization in exponent form24 x 5
Prime factors2, 5
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)5
Sum of prime factors7
Product of prime factors10
Calculation was done in 0.0000100136 seconds

Divisors of 80

List of proper divisors 1, 2, 4, 5, 8, 10, 16, 20, 40
List of all dividers1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Number of divisors d(n)10
Sum of all divisors σ(n)186
Aliquot sum 106
80 is an abundant number , because the sum of its proper divisors (106) is greater than itself. Its abundance is 26.
Calculation was done in 0.0000238419 seconds

Prime numbers

Is 80 a prime number?No
Is 80 a semiprime number?No
Is 80 a Chen prime number?No
Is 80 a Mersenne prime number?No
Calculation was done in 0.0000150204 seconds

Sequences

Is 80 a Catalan number?No
Is 80 a Fibonacci number?No
Is 80 a Idoneal number?No
Calculation was done in 0.0000050068 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
80 is not a Happy number
80 is a Humble number
80 is not a Münchhausen number
80 is not a Perfect number
80 is not a Perfect square
80 is not a Palindrome
Calculation was done in 0.0061550140 seconds

Numeric Bases of 80

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
2Binary10100002
3Ternary22223
4Quaternary11004
5Quinary3105
6Senary2126
7Septenary1437
8Octal1208
9Nonary889
10Decimal80
12Duodecimal6812
16Hexadecimal5016
20Vigesimal4020
36Base362836
60Sexagesimal1K60
Calculation was done in 0.0000178814 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 80 (n2)6400
Cube of 80 (n3)512000
Square root of 808.9442719099992
Natural Logarithm (ln) of 804.3820266346739
Decimal Logarithm (log) of 801.9030899869919
Calculation was done in 0.0000040531 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 80-0.99388865392338
Cosecant of 80-1.0061489242809
Cosine of 80-0.11038724383905
Secant of 80-9.059017738119
Tangent of 809.0036549456071
Cotangent of 800.11106600664299
Calculation was done in 0.0000100136 seconds

Number parity

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

Is 80 an Even Number?

Yes, the number 80 is an even number.

Is 80 an Odd Number?

No
Calculation was done in 0.0000040531 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 80 in words is "eighty", meaning that:
80 is an aban number (a number without the letter a)
80 is not an eban number (as it contains the letter e)
80 is not an iban number (as it contains the letter i)
80 is an oban number (a number without the letter o)
80 is not a tban number (as it contains the letter t)
80 is an uban number (a number without the letter u)
Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 80 in other number systems?
Bengali numerals৮০
Eastern Arabic numerals٨٠
Hieroglyphs numeralsused in Ancient Egypt𓎍
Khmer numerals៨០
Japanese numerals八十
Roman numeralsLXXX
Thai numerals๘๐
Calculation was done in 0.0000679493 seconds

Translation

How do you say 80 in 38 different languages?
Arabicثمانون
Croatianosamdeset
Czechosmdesát
Danish firs
Dutchtachtig
Estonianblaenyi
Faroeseáttati
Filipinowalóng pû
Finnishkahdeksan­kymmentä
Frenchquatre-vingts
Greekογδόντα
Germanachtzig
Hebrewשמונים
Hindiअस्सी
Hungariannyolcvan
Icelandicáttatíu
Indonesiandelapan puluh
Italianottanta
Japanese八十
Korean팔십
Latvianastoņdesmit
Lithuanianaštuoniasdešimt
Norwegianåtti
Persianهشتاد
Polishosiemdziesiąt
Portugueseoitenta
Romanianoptzeci
Russianвосемьдесят
Serbianосамдесет
Slovakosemdesiat
Sloveneosemdeset
Spanish ochenta
Swahilithemanini
Swedishåttio
Thaiแปด​สิบ
Turkishseksen
Ukrainianвісімдесят
Vietnamesetám mươi
Calculation was done in 0.0135960579 seconds

Miscellaneous

Number 80 reversed08
ASCII Code80P
Unicode CharacterU+0050P
Unix TimestampThu, 01 Jan 1970 00:01:20 +0000
Calculation was done in 0.0000231266 seconds
This page was generated in 0.02 seconds.