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Number 198 (one hundred ninety-eight) is an even three-digits composite number and natural number following 197 and preceding 199.

Properties of the number 198

Cardinalone hundred ninety-eight
one hundred ninety-eight
Number of digits3
Sum of digits18
Product of digits72
Number parityEven
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Prime Factorization of 198

Prime factorization2 x 3 x 3 x 11
Prime factorization in exponent form2 x 32 x 11
Prime factors2, 3, 11
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)4
Sum of prime factors16
Product of prime factors66
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Divisors of 198

List of proper divisors 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99
List of all dividers1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
Number of divisors d(n)12
Sum of all divisors σ(n)468
Aliquot sum 270
198 is an abundant number , because the sum of its proper divisors (270) is greater than itself. Its abundance is 72.
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Prime numbers

Is 198 a prime number?No
Is 198 a semiprime number?No
Is 198 a Chen prime number?No
Is 198 a Mersenne prime number?No
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Is 198 a Catalan number?No
Is 198 a Fibonacci number?No
Is 198 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.
198 is not a Happy number
198 is not a Humble number
198 is not a Münchhausen number
198 is not a Perfect number
198 is not a Perfect square
198 is not a Palindrome
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Numeric Bases of 198

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 198 (n2)39204
Cube of 198 (n3)7762392
Square root of 19814.07124727947
Natural Logarithm (ln) of 1985.2882670306945
Decimal Logarithm (log) of 1982.2966651902615
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 198-0.079578591664284
Cosecant of 198-12.566193734851
Cosine of 198-0.99682859496943
Secant of 198-1.0031814948393
Tangent of 1980.079831770542983
Cotangent of 19812.526341244825
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Number parity

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

Is 198 an Even Number?

Yes, the number 198 is an even number.

Is 198 an Odd Number?

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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 198 in words is "one hundred ninety-eight", meaning that:
198 is an aban number (a number without the letter a)
198 is not an eban number (as it contains the letter e)
198 is not an iban number (as it contains the letter i)
198 is not an oban number (as it contains the letter o)
198 is not a tban number (as it contains the letter t)
198 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 198 in other number systems?
Bengali numerals১৯৮
Eastern Arabic numerals١٩٨
Hieroglyphs numeralsused in Ancient Egypt𓍢𓎎𓐁
Khmer numerals១៩៨
Japanese numerals百九十八
Roman numeralsCXCVIII
Thai numerals๑๙๘
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How do you say 198 in 38 different languages?
Arabicمائة و ثمانية و تسعون
Croatiansto devedeset i osam
Czechsto devadesát osm
Danish et hundrede otte og halvfems
Estonianalafa ɖeka blaasieke vɔ enyi
Filipinoisáng daán at siyám na pû’t waló
Frenchcent quatre-vingt-dix-huit
Greekεκατόν εννενήντα οκτώ
Hebrewמאה תשעים ושמונה
Hindiएक सौ अट्ठानबे
Icelandiceitt­hundrað og níutíu og átta
Indonesianseratus sembilan puluh delapan
Latviansimt deviņdesmit astoņi
Lithuanianšimtas devyniasdešimt aštuoni
Norwegianhundre og nitti­åtte
Persianصد و نود و هشت
Polishsto dziewięćdziesiąt osiem
Portuguesecento e noventa e oito
Romanianuna sută nouăzeci şi opt
Russianсто девяносто восемь
Serbianсто деведесет и осам
Slovakjedna­sto deväťdesiat­osem
Slovenesto devetdeset osem
Spanish ciento noventa y ocho
Swahilimia moja na tisini na nane
Turkishyüz doksan sekiz
Ukrainianсто девʼяносто вісім
Vietnamesemột trăm chín mươi tám
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Number 198 reversed891
ASCII Code198Æ
Unicode CharacterU+00C6Æ
Hexadecimal color (shorthand)#119988
Unix TimestampThu, 01 Jan 1970 00:03:18 +0000
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