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# 75

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

## Properties of the number 75

 Nominal 75 Cardinal seventy-five Ordinal 75th Number of digits 2 Sum of digits 12 Product of digits 35 Number parity Odd
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## Prime Factorization of 75

 Prime factorization 3 x 5 x 5 Prime factorization in exponent form 3 x 52 Prime factors 3, 5 Number of distinct prime factors ω(n) 2 Total number of prime factors Ω(n) 3 Sum of prime factors 8 Product of prime factors 15
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## Divisors of 75

 List of proper divisors 1, 3, 5, 15, 25 List of all dividers 1, 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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## Sequences

 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.
BaseSystemValue
2Binary10010112
3Ternary22103
4Quaternary10234
5Quinary3005
6Senary2036
7Septenary1357
8Octal1138
9Nonary839
10Decimal75
12Duodecimal6312
16Hexadecimal4b16
20Vigesimal3f20
36Base362336
60Sexagesimal1F60
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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 75 8.66025 Natural Logarithm (ln) of 75 4.31749 Decimal Logarithm (log) of 75 1.87506
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 75 -0.387782 Cosecant of 75 -2.57877 Cosine of 75 0.921751 Secant of 75 1.08489 Tangent of 75 -0.420701 Cotangent of 75 -2.37699
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## Number parity

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

No

### 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 numerals ৭৫ Eastern Arabic numerals ٧٥ Hieroglyphs numeralsused in Ancient Egypt 𓎌𓏾 Khmer numerals ៧៥ Japanese numerals 七十五 Roman numerals LXXV Thai numerals ๗๕
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## Translation

How do you say 75 in 38 different languages?
 Arabic خمسة و سبعون Croatian sedamdeset i pet Czech sedmdesát pět Danish fem og halvfjerds Dutch vijfenzeventig Estonian blaadre vɔ atɔ̃ Faroese sjeyti­fimm Filipino pitóng pû’t limá Finnish seitsemän­kymmentä­viisi French soixante-quinze Greek εβδομήντα πέντε German fünf­und­siebzig Hebrew שבעים וחמש Hindi पचहत्तर Hungarian hetven­öt Icelandic sjötíu og fimm Indonesian tujuh puluh lima Italian settantacinque Japanese 七十五 Korean 칠십오 Latvian septiņdesmit pieci Lithuanian septyniasdešimt penki Norwegian sytti­fem Persian هفتاد و پنج Polish siedemdziesiąt pięć Portuguese setenta e cinco Romanian şaptezeci şi cinci Russian семьдесят пять Serbian седамдесет и пет Slovak sedemdesiat­päť Slovene sedemdeset pet Spanish setenta y cinco Swahili sabini na tano Swedish sjutiofem Thai เจ็ด​สิบ​ห้า Turkish yetmiş beş Ukrainian сімдесят пʼять Vietnamese bảy mươi lăm
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## Miscellaneous

 Number 75 reversed 57 ASCII Code 75 K Unicode Character U+004B K Unix Timestamp Thu, 01 Jan 1970 00:01:15 +0000
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