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# 198

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

 Nominal 198 Cardinal one hundred ninety-eight Cardinalone hundred ninety-eight Ordinal 198th Number of digits 3 Sum of digits 18 Product of digits 72 Number parity Even
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## Prime Factorization of 198

 Prime factorization 2 x 3 x 3 x 11 Prime factorization in exponent form 2 x 32 x 11 Prime factors 2, 3, 11 Number of distinct prime factors ω(n) 3 Total number of prime factors Ω(n) 4 Sum of prime factors 16 Product of prime factors 66
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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 dividers 1, 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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## Sequences

 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.
BaseSystemValue
2Binary110001102
3Ternary211003
4Quaternary30124
5Quinary12435
6Senary5306
7Septenary4027
8Octal3068
9Nonary2409
10Decimal198
12Duodecimal14612
20Vigesimal9i20
36Base365i36
60Sexagesimal3I60
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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) 7.76239e+06 Square root of 198 14.0712 Natural Logarithm (ln) of 198 5.28827 Decimal Logarithm (log) of 198 2.29667
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 198 -0.0795786 Cosecant of 198 -12.5662 Cosine of 198 -0.996829 Secant of 198 -1.00318 Tangent of 198 0.0798318 Cotangent of 198 12.5263
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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?

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 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 numerals ১৯৮ Eastern Arabic numerals ١٩٨ Hieroglyphs numeralsused in Ancient Egypt 𓍢𓎎𓐁 Khmer numerals ១៩៨ Japanese numerals 百九十八 Roman numerals CXCVIII Thai numerals ๑๙๘
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## Translation

How do you say 198 in 38 different languages?
 Arabic مائة و ثمانية و تسعون Croatian sto devedeset i osam Czech sto devadesát osm Danish et hundrede otte og halvfems Dutch honderdachtennegentig Estonian alafa ɖeka blaasieke vɔ enyi Faroese eitt­hundrað­og­níti­átta Filipino isáng daán at siyám na pû’t waló Finnish sata­yhdeksän­kymmentä­kahdeksan French cent quatre-vingt-dix-huit Greek εκατόν εννενήντα οκτώ German ein­hundert­acht­und­neunzig Hebrew מאה תשעים ושמונה Hindi एक सौ अट्ठानबे Hungarian száz­kilencven­nyolc Icelandic eitt­hundrað og níutíu og átta Indonesian seratus sembilan puluh delapan Italian centonovantotto Japanese 百九十八 Korean 백구십팔 Latvian simt deviņdesmit astoņi Lithuanian šimtas devyniasdešimt aštuoni Norwegian hundre og nitti­åtte Persian صد و نود و هشت Polish sto dziewięćdziesiąt osiem Portuguese cento e noventa e oito Romanian una sută nouăzeci şi opt Russian сто девяносто восемь Serbian сто деведесет и осам Slovak jedna­sto deväťdesiat­osem Slovene sto devetdeset osem Spanish ciento noventa y ocho Swahili mia moja na tisini na nane Swedish enhundranittioåtta Thai หนึ่ง​ร้อย​เก้า​สิบ​แปด Turkish yüz doksan sekiz Ukrainian сто девʼяносто вісім Vietnamese một trăm chín mươi tám
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## Miscellaneous

 Number 198 reversed 891 ASCII Code 198 Æ Unicode Character U+00C6 Æ Hexadecimal color (shorthand) #119988 Unix Timestamp Thu, 01 Jan 1970 00:03:18 +0000
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