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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

Nominal30
Cardinalthirty
Ordinal30th
Number of digits2
Sum of digits3
Product of digits0
Number parityEven
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Prime Factorization of 30

Prime factorization2 x 3 x 5
Prime factors2, 3, 5
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)3
Sum of prime factors10
Product of prime factors30
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Divisors of 30

List of proper divisors 1, 2, 3, 5, 6, 10, 15
List of all dividers1, 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
16Hexadecimal1e16
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 305.4772255750517
Natural Logarithm (ln) of 303.4011973816622
Decimal Logarithm (log) of 301.4771212547197
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 30-0.98803162409286
Cosecant of 30-1.0121133530702
Cosine of 300.15425144988758
Secant of 306.4829212349627
Tangent of 30-6.4053311966463
Cotangent of 30-0.15611995216166
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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 numerals৩০
Eastern Arabic numerals٣٠
Hieroglyphs numeralsused in Ancient Egypt𓎈
Khmer numerals៣០
Japanese numerals三十
Roman numeralsXXX
Thai numerals๓๐
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Translation

How do you say 30 in 38 different languages?
Arabicثلاثون
Croatiantrideset
Czechtřicet
Danish tredive
Dutchdertig
Estonianblaetɔ̃
Faroesetríati
Filipinotatlóng pû
Finnishkolme­kymmentä
Frenchtrente
Greekτριάντα
Germandreißig
Hebrewשלושים
Hindiतीस
Hungarianharminc
Icelandicþrjátíu
Indonesiantiga puluh
Italiantrenta
Japanese三十
Korean삼십
Latviantrīsdesmit
Lithuaniantrisdešimt
Norwegiantretti
Persianسی
Polishtrzydzieści
Portuguesetrinta
Romaniantreizeci
Russianтридцать
Serbianтридесет
Slovaktridsať
Slovenetrideset
Spanish treinta
Swahilithelathini
Swedishtrettio
Thaiสาม​สิบ
Turkishotuz
Ukrainianтридцять
Vietnameseba mươi
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Miscellaneous

Number 30 reversed03
ASCII Code30
Unicode CharacterU+001E
Unix TimestampThu, 01 Jan 1970 00:00:30 +0000
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