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Number 33 (thirty-three) is an odd two-digits composite number and natural number following 32 and preceding 34.

Properties of the number 33

Number of digits2
Sum of digits6
Product of digits9
Number parityOdd
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Prime Factorization of 33

Prime factorization3 x 11
Prime factors3, 11
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)2
Sum of prime factors14
Product of prime factors33
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Divisors of 33

List of proper divisors 1, 3, 11
List of all dividers1, 3, 11, 33
Number of divisors d(n)4
Sum of all divisors σ(n)48
Aliquot sum 15
33 is a deficient number , since it is larger than the sum of its proper divisors (15). Its deficiency is 18.
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Prime numbers

Is 33 a prime number?No
Is 33 a semiprime number?Yes
Is 33 a Chen prime number?No
Is 33 a Mersenne prime number?No
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Is 33 a Catalan number?No
Is 33 a Fibonacci number?No
Is 33 a Idoneal number?Yes: I21
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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.
33 is not a Happy number
33 is not a Humble number
33 is not a Münchhausen number
33 is not a Perfect number
33 is not a Perfect square
33 is a Palindrome
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Numeric Bases of 33

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 33 (n2)1089
Cube of 33 (n3)35937
Square root of 335.744562646538
Natural Logarithm (ln) of 333.4965075614665
Decimal Logarithm (log) of 331.5185139398779
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 330.99991186010727
Cosecant of 331.0000881476621
Cosine of 33-0.013276747223059
Secant of 33-75.319653466262
Tangent of 33-75.313014800085
Cotangent of 33-0.013277917537287
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Number parity

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

Is 33 an Even Number?


Is 33 an Odd Number?

Yes, the number 33 is an odd number.
Total number of all odd numbers from 1 to 33 is 17
Sum of all the odd numbers from 1 to 33 are 289
The sum of all odd numbers is a perfect square: 289 = 17
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 33 in words is "thirty-three", meaning that:
33 is an aban number (a number without the letter a)
33 is not an eban number (as it contains the letter e)
33 is not an iban number (as it contains the letter i)
33 is an oban number (a number without the letter o)
33 is not a tban number (as it contains the letter t)
33 is an uban number (a number without the letter u)
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Numeral systems

How to write 33 in other number systems?
Bengali numerals৩৩
Eastern Arabic numerals٣٣
Hieroglyphs numeralsused in Ancient Egypt𓎈𓏼
Khmer numerals៣៣
Japanese numerals三十三
Roman numeralsXXXIII
Thai numerals๓๓
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How do you say 33 in 38 different languages?
Arabicثلاثة و ثلاثون
Croatiantrideset i tri
Czechtřicet tři
Danish tre og tredive
Estonianblaetɔ̃ vɔ etɔ̃
Filipinotatlóng pû’t tatló
Greekτριάντα τρία
Hebrewשלושים ושלוש
Icelandicþrjátíu og þrír
Indonesiantiga puluh tiga
Latviantrīsdesmit trīs
Lithuaniantrisdešimt trys
Persianسی و سه
Polishtrzydzieści trzy
Portuguesetrinta e três
Romaniantreizeci şi trei
Russianтридцать три
Serbianтридесет и три
Slovenetrideset tri
Spanish treinta y tres
Swahilithelathini na tatu
Turkishotuz üç
Ukrainianтридцять три
Vietnameseba mươi ba
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Number 33 reversed33
ASCII Code33!
Unicode CharacterU+0021!
Unix TimestampThu, 01 Jan 1970 00:00:33 +0000
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