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Number 47 (forty-seven) is an odd two-digits prime number and natural number following 46 and preceding 48.

Properties of the number 47

Number of digits2
Sum of digits11
Product of digits28
Number parityOdd
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Prime Factorization of 47

Prime factorization47
Prime factors47
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors47
Product of prime factors47
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Divisors of 47

List of proper divisors 1
List of all dividers1, 47
Number of divisors d(n)2
Sum of all divisors σ(n)48
Aliquot sum 1
47 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 46.
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Prime numbers

Is 47 a prime number?Yes
Is 47 a semiprime number?No
Is 47 a Chen prime number?Yes
Is 47 a Mersenne prime number?No
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Is 47 a Catalan number?No
Is 47 a Fibonacci number?No
Is 47 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.
47 is not a Happy number
47 is not a Humble number
47 is not a Münchhausen number
47 is not a Perfect number
47 is not a Perfect square
47 is not a Palindrome
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Numeric Bases of 47

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 47 (n2)2209
Cube of 47 (n3)103823
Square root of 476.855654600401
Natural Logarithm (ln) of 473.8501476017101
Decimal Logarithm (log) of 471.6720978579357
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 470.12357312274522
Cosecant of 478.0923746020544
Cosine of 47-0.99233546915093
Secant of 47-1.007723729613
Tangent of 47-0.12452756813274
Cotangent of 47-8.0303503472747
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Number parity

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

Is 47 an Even Number?


Is 47 an Odd Number?

Yes, the number 47 is an odd number.
Total number of all odd numbers from 1 to 47 is 24
Sum of all the odd numbers from 1 to 47 are 576
The sum of all odd numbers is a perfect square: 576 = 24
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 47 in words is "forty-seven", meaning that:
47 is an aban number (a number without the letter a)
47 is not an eban number (as it contains the letter e)
47 is an iban number (a number without the letter i)
47 is not an oban number (as it contains the letter o)
47 is not a tban number (as it contains the letter t)
47 is an uban number (a number without the letter u)
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Numeral systems

How to write 47 in other number systems?
Bengali numerals৪৭
Eastern Arabic numerals٤٧
Hieroglyphs numeralsused in Ancient Egypt𓎉𓐀
Khmer numerals៤៧
Japanese numerals四十七
Roman numeralsXLVII
Thai numerals๔๗
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How do you say 47 in 38 different languages?
Arabicسبعة و أربعون
Croatiančetrdeset i sedam
Czechčtyřicet sedm
Danish syv og fyrre
Estonianblaene vɔ adre
Filipinoápat na pû’t pitó
Greekσαράντα επτά
Hebrewארבעים ושבע
Icelandicfjörutíu og sjó
Indonesianempat puluh tujuh
Latviančetrdesmit septiņi
Lithuanianketuriasdešimt septyni
Persianچهل و هفت
Polishczterdzieści siedem
Portuguesequarenta e sete
Romanianpatruzeci şi şapte
Russianсорок семь
Serbianчетрдесет и седам
Sloveneštirideset sedem
Spanish cuarenta y siete
Swahiliarobaini na saba
Turkishkırk yedi
Ukrainianсорок сім
Vietnamesebốn mươi bảy
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Number 47 reversed74
ASCII Code47/
Unicode CharacterU+002F/
Unix TimestampThu, 01 Jan 1970 00:00:47 +0000
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