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Number 75 (seventy-five) is an odd two-digits composite number and natural number following 74 and preceding 76.

Properties of the number 75

Number of digits2
Sum of digits12
Product of digits35
Number parityOdd
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Prime Factorization of 75

Prime factorization3 x 5 x 5
Prime factorization in exponent form3 x 52
Prime factors3, 5
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)3
Sum of prime factors8
Product of prime factors15
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Divisors of 75

List of proper divisors 1, 3, 5, 15, 25
List of all dividers1, 3, 5, 15, 25, 75
Number of divisors d(n)6
Sum of all divisors σ(n)124
Aliquot sum 49
75 is a deficient number , since it is larger than the sum of its proper divisors (49). Its deficiency is 26.
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Prime numbers

Is 75 a prime number?No
Is 75 a semiprime number?No
Is 75 a Chen prime number?No
Is 75 a Mersenne prime number?No
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Is 75 a Catalan number?No
Is 75 a Fibonacci number?No
Is 75 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.
75 is not a Happy number
75 is a Humble number
75 is not a Münchhausen number
75 is not a Perfect number
75 is not a Perfect square
75 is not a Palindrome
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Numeric Bases of 75

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 75 (n2)5625
Cube of 75 (n3)421875
Square root of 758.6602540378444
Natural Logarithm (ln) of 754.3174881135363
Decimal Logarithm (log) of 751.8750612633917
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 75-0.38778163540943
Cosecant of 75-2.5787709078698
Cosine of 750.92175126972475
Secant of 751.0848913723749
Tangent of 75-0.42070095062112
Cotangent of 75-2.3769853586582
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Number parity

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

Is 75 an Even Number?


Is 75 an Odd Number?

Yes, the number 75 is an odd number.
Total number of all odd numbers from 1 to 75 is 38
Sum of all the odd numbers from 1 to 75 are 1444
The sum of all odd numbers is a perfect square: 1444 = 38
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 75 in words is "seventy-five", meaning that:
75 is an aban number (a number without the letter a)
75 is not an eban number (as it contains the letter e)
75 is not an iban number (as it contains the letter i)
75 is an oban number (a number without the letter o)
75 is not a tban number (as it contains the letter t)
75 is an uban number (a number without the letter u)
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Numeral systems

How to write 75 in other number systems?
Bengali numerals৭৫
Eastern Arabic numerals٧٥
Hieroglyphs numeralsused in Ancient Egypt𓎌𓏾
Khmer numerals៧៥
Japanese numerals七十五
Roman numeralsLXXV
Thai numerals๗๕
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How do you say 75 in 38 different languages?
Arabicخمسة و سبعون
Croatiansedamdeset i pet
Czechsedmdesát pět
Danish fem og halvfjerds
Estonianblaadre vɔ atɔ̃
Filipinopitóng pû’t limá
Greekεβδομήντα πέντε
Hebrewשבעים וחמש
Icelandicsjötíu og fimm
Indonesiantujuh puluh lima
Latvianseptiņdesmit pieci
Lithuanianseptyniasdešimt penki
Persianهفتاد و پنج
Polishsiedemdziesiąt pięć
Portuguesesetenta e cinco
Romanianşaptezeci şi cinci
Russianсемьдесят пять
Serbianседамдесет и пет
Slovenesedemdeset pet
Spanish setenta y cinco
Swahilisabini na tano
Turkishyetmiş beş
Ukrainianсімдесят пʼять
Vietnamesebảy mươi lăm
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Number 75 reversed57
Unicode CharacterU+004BK
Unix TimestampThu, 01 Jan 1970 00:01:15 +0000
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