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49

Number 49 (forty-nine) is an odd two-digits composite number and natural number following 48 and preceding 50.

Properties of the number 49

Nominal49
Cardinalforty-nine
Ordinal49th
Number of digits2
Sum of digits13
Product of digits36
Number parityOdd
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Prime Factorization of 49

Prime factorization7 x 7
Prime factorization in exponent form72
Prime factors7
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)2
Sum of prime factors7
Product of prime factors7
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Divisors of 49

List of proper divisors 1, 7
List of all dividers1, 7, 49
Number of divisors d(n)3
Sum of all divisors σ(n)57
Aliquot sum 8
49 is a deficient number , since it is larger than the sum of its proper divisors (8). Its deficiency is 41.
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Prime numbers

Is 49 a prime number?No
Is 49 a semiprime number?Yes
Is 49 a Chen prime number?No
Is 49 a Mersenne prime number?No
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Sequences

Is 49 a Catalan number?No
Is 49 a Fibonacci number?No
Is 49 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.
49 is a Happy number
49 is a Humble number
49 is not a Münchhausen number
49 is not a Perfect number
49 is a Perfect square
49 is not a Palindrome
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Numeric Bases of 49

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
2Binary1100012
3Ternary12113
4Quaternary3014
5Quinary1445
6Senary1216
7Septenary1007
8Octal618
9Nonary549
10Decimal49
12Duodecimal4112
16Hexadecimal3116
20Vigesimal2920
36Base361d36
60Sexagesimaln60
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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 49 (n2)2401
Cube of 49 (n3)117649
Square root of 497
Natural Logarithm (ln) of 493.8918202981106
Decimal Logarithm (log) of 491.6901960800285
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 49-0.95375265275947
Cosecant of 49-1.0484898753432
Cosine of 490.30059254374364
Secant of 493.3267624923287
Tangent of 49-3.1729085521592
Cotangent of 49-0.31516823871885
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Number parity

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

Is 49 an Even Number?

No

Is 49 an Odd Number?

Yes, the number 49 is an odd number.
Total number of all odd numbers from 1 to 49 is 25
Sum of all the odd numbers from 1 to 49 are 625
The sum of all odd numbers is a perfect square: 625 = 25
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 49 in words is "forty-nine", meaning that:
49 is an aban number (a number without the letter a)
49 is not an eban number (as it contains the letter e)
49 is not an iban number (as it contains the letter i)
49 is not an oban number (as it contains the letter o)
49 is not a tban number (as it contains the letter t)
49 is an uban number (a number without the letter u)
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Numeral systems

How to write 49 in other number systems?
Bengali numerals৪৯
Eastern Arabic numerals٤٩
Hieroglyphs numeralsused in Ancient Egypt𓎉𓐂
Khmer numerals៤៩
Japanese numerals四十九
Roman numeralsXLIX
Thai numerals๔๙
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Translation

How do you say 49 in 38 different languages?
Arabicتسعة و أربعون
Croatiančetrdeset i devet
Czechčtyřicet devět
Danish ni og fyrre
Dutchnegenenveertig
Estonianblaene vɔ asieke
Faroesefýrati­níggju
Filipinoápat na pû’t siyám
Finnishneljä­kymmentä­yhdeksän
Frenchquarante-neuf
Greekσαράντα εννέα
Germanneun­und­vierzig
Hebrewארבעים ותשע
Hindiउनचास
Hungariannegyven­kilenc
Icelandicfjörutíu og níu
Indonesianempat puluh sembilan
Italianquarantanove
Japanese四十九
Korean사십구
Latviančetrdesmit deviņi
Lithuanianketuriasdešimt devyni
Norwegianførti­ni
Persianچهل و نه
Polishczterdzieści dziewięć
Portuguesequarenta e nove
Romanianpatruzeci şi nouă
Russianсорок девять
Serbianчетрдесет и девет
Slovakštyridsať­deväť
Sloveneštirideset devet
Spanish cuarenta y nueve
Swahiliarobaini na tisa
Swedishfyrtionio
Thaiสี่​สิบ​เก้า
Turkishkırk dokuz
Ukrainianсорок девʼять
Vietnamesebốn mươi chín
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Miscellaneous

Number 49 reversed94
ASCII Code491
Unicode CharacterU+00311
Unix TimestampThu, 01 Jan 1970 00:00:49 +0000
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