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Number 43 (forty-three) is an odd two-digits prime number and natural number following 42 and preceding 44.

Properties of the number 43

Number of digits2
Sum of digits7
Product of digits12
Number parityOdd
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Prime Factorization of 43

Prime factorization43
Prime factors43
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors43
Product of prime factors43
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Divisors of 43

List of proper divisors 1
List of all dividers1, 43
Number of divisors d(n)2
Sum of all divisors σ(n)44
Aliquot sum 1
43 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 42.
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Prime numbers

Is 43 a prime number?Yes
Is 43 a semiprime number?No
Is 43 a Chen prime number?No
Is 43 a Mersenne prime number?No
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Is 43 a Catalan number?No
Is 43 a Fibonacci number?No
Is 43 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.
43 is not a Happy number
43 is not a Humble number
43 is not a Münchhausen number
43 is not a Perfect number
43 is not a Perfect square
43 is not a Palindrome
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Numeric Bases of 43

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 43 (n2)1849
Cube of 43 (n3)79507
Square root of 436.557438524302
Natural Logarithm (ln) of 433.7612001156936
Decimal Logarithm (log) of 431.6334684555796
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 43-0.8317747426286
Cosecant of 43-1.2022485761467
Cosine of 430.55511330152063
Secant of 431.8014340446548
Tangent of 43-1.4983873388552
Cotangent of 43-0.66738417635325
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Number parity

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

Is 43 an Even Number?


Is 43 an Odd Number?

Yes, the number 43 is an odd number.
Total number of all odd numbers from 1 to 43 is 22
Sum of all the odd numbers from 1 to 43 are 484
The sum of all odd numbers is a perfect square: 484 = 22
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 43 in words is "forty-three", meaning that:
43 is an aban number (a number without the letter a)
43 is not an eban number (as it contains the letter e)
43 is an iban number (a number without the letter i)
43 is not an oban number (as it contains the letter o)
43 is not a tban number (as it contains the letter t)
43 is an uban number (a number without the letter u)
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Numeral systems

How to write 43 in other number systems?
Bengali numerals৪৩
Eastern Arabic numerals٤٣
Hieroglyphs numeralsused in Ancient Egypt𓎉𓏼
Khmer numerals៤៣
Japanese numerals四十三
Roman numeralsXLIII
Thai numerals๔๓
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How do you say 43 in 38 different languages?
Arabicثلاثة و أربعون
Croatiančetrdeset i tri
Czechčtyřicet tři
Danish tre og fyrre
Estonianblaene vɔ etɔ̃
Filipinoápat na pû’t tatló
Greekσαράντα τρία
Hebrewארבעים ושלוש
Icelandicfjörutíu og þrír
Indonesianempat puluh tiga
Latviančetrdesmit trīs
Lithuanianketuriasdešimt trys
Persianچهل و سه
Polishczterdzieści trzy
Portuguesequarenta e três
Romanianpatruzeci şi trei
Russianсорок три
Serbianчетрдесет и три
Sloveneštirideset tri
Spanish cuarenta y tres
Swahiliarobaini na tatu
Turkishkırk üç
Ukrainianсорок три
Vietnamesebốn mươi ba
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Number 43 reversed34
ASCII Code43+
Unicode CharacterU+002B+
Unix TimestampThu, 01 Jan 1970 00:00:43 +0000
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