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# 30

Number 30 (thirty) is an even two-digits composite number and natural number following 29 and preceding 31.

## Properties of the number 30

 Nominal 30 Cardinal thirty Ordinal 30th Number of digits 2 Sum of digits 3 Product of digits 0 Number parity Even
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## Prime Factorization of 30

 Prime factorization 2 x 3 x 5 Prime factors 2, 3, 5 Number of distinct prime factors ω(n) 3 Total number of prime factors Ω(n) 3 Sum of prime factors 10 Product of prime factors 30
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## Divisors of 30

 List of proper divisors 1, 2, 3, 5, 6, 10, 15 List of all dividers 1, 2, 3, 5, 6, 10, 15, 30 Number of divisors d(n) 8 Sum of all divisors σ(n) 72 Aliquot sum 42 30 is an abundant number , because the sum of its proper divisors (42) is greater than itself. Its abundance is 12.
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## Prime numbers

 Is 30 a prime number? No Is 30 a semiprime number? No Is 30 a Chen prime number? No Is 30 a Mersenne prime number? No
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## Sequences

 Is 30 a Catalan number? No Is 30 a Fibonacci number? No Is 30 a Idoneal number? Yes: I20
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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.
 30 is not a Happy number 30 is a Humble number 30 is not a Münchhausen number 30 is not a Perfect number 30 is not a Perfect square 30 is not a Palindrome
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## Numeric Bases of 30

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
2Binary111102
3Ternary10103
4Quaternary1324
5Quinary1105
6Senary506
7Septenary427
8Octal368
9Nonary339
10Decimal30
12Duodecimal2612
20Vigesimal1a20
36Base36u36
60SexagesimalU60
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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 30 (n2) 900 Cube of 30 (n3) 27000 Square root of 30 5.47723 Natural Logarithm (ln) of 30 3.4012 Decimal Logarithm (log) of 30 1.47712
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 30 -0.988032 Cosecant of 30 -1.01211 Cosine of 30 0.154251 Secant of 30 6.48292 Tangent of 30 -6.40533 Cotangent of 30 -0.15612
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## Number parity

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

### Is 30 an Even Number?

Yes, the number 30 is an even number.

### Is 30 an Odd Number?

No
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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 30 in words is "thirty", meaning that: 30 is an aban number (a number without the letter a) 30 is an eban number (a number without the letter e) 30 is not an iban number (as it contains the letter i) 30 is an oban number (a number without the letter o) 30 is not a tban number (as it contains the letter t) 30 is an uban number (a number without the letter u)
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## Numeral systems

How to write 30 in other number systems?
 Bengali numerals ৩০ Eastern Arabic numerals ٣٠ Hieroglyphs numeralsused in Ancient Egypt 𓎈 Khmer numerals ៣០ Japanese numerals 三十 Roman numerals XXX Thai numerals ๓๐
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## Translation

How do you say 30 in 38 different languages?
 Arabic ثلاثون Croatian trideset Czech třicet Danish tredive Dutch dertig Estonian blaetɔ̃ Faroese tríati Filipino tatlóng pû Finnish kolme­kymmentä French trente Greek τριάντα German dreißig Hebrew שלושים Hindi तीस Hungarian harminc Icelandic þrjátíu Indonesian tiga puluh Italian trenta Japanese 三十 Korean 삼십 Latvian trīsdesmit Lithuanian trisdešimt Norwegian tretti Persian سی Polish trzydzieści Portuguese trinta Romanian treizeci Russian тридцать Serbian тридесет Slovak tridsať Slovene trideset Spanish treinta Swahili thelathini Swedish trettio Thai สาม​สิบ Turkish otuz Ukrainian тридцять Vietnamese ba mươi
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## Miscellaneous

 Number 30 reversed 03 ASCII Code 30 Unicode Character U+001E Unix Timestamp Thu, 01 Jan 1970 00:00:30 +0000
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