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Number 197 (one hundred ninety-seven) is an odd three-digits prime number and natural number following 196 and preceding 198.

Properties of the number 197

Cardinalone hundred ninety-seven
one hundred ninety-seven
Number of digits3
Sum of digits17
Product of digits63
Number parityOdd
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Prime Factorization of 197

Prime factorization197
Prime factors197
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors197
Product of prime factors197
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Divisors of 197

List of proper divisors 1
List of all dividers1, 197
Number of divisors d(n)2
Sum of all divisors σ(n)198
Aliquot sum 1
197 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 196.
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Prime numbers

Is 197 a prime number?Yes
Is 197 a semiprime number?No
Is 197 a Chen prime number?Yes
Is 197 a Mersenne prime number?No
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Is 197 a Catalan number?No
Is 197 a Fibonacci number?No
Is 197 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.
197 is not a Happy number
197 is not a Humble number
197 is not a Münchhausen number
197 is not a Perfect number
197 is not a Perfect square
197 is not a Palindrome
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Numeric Bases of 197

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 197 (n2)38809
Cube of 197 (n3)7645373
Square root of 19714.035668847618
Natural Logarithm (ln) of 1975.283203728738
Decimal Logarithm (log) of 1972.2944662261616
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Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 1970.79580584291965
Cosecant of 1971.2565879088437
Cosine of 197-0.60555186431465
Secant of 197-1.6513862130237
Tangent of 197-1.3141827972412
Cotangent of 197-0.76092915087555
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Number parity

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

Is 197 an Even Number?


Is 197 an Odd Number?

Yes, the number 197 is an odd number.
Total number of all odd numbers from 1 to 197 is 99
Sum of all the odd numbers from 1 to 197 are 9801
The sum of all odd numbers is a perfect square: 9801 = 99
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 197 in words is "one hundred ninety-seven", meaning that:
197 is an aban number (a number without the letter a)
197 is not an eban number (as it contains the letter e)
197 is not an iban number (as it contains the letter i)
197 is not an oban number (as it contains the letter o)
197 is not a tban number (as it contains the letter t)
197 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 197 in other number systems?
Bengali numerals১৯৭
Eastern Arabic numerals١٩٧
Hieroglyphs numeralsused in Ancient Egypt𓍢𓎎𓐀
Khmer numerals១៩៧
Japanese numerals百九十七
Roman numeralsCXCVII
Thai numerals๑๙๗
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How do you say 197 in 38 different languages?
Arabicمائة و سبعة و تسعون
Croatiansto devedeset i sedam
Czechsto devadesát sedm
Danish et hundrede syv og halvfems
Estonianalafa ɖeka blaasieke vɔ adre
Filipinoisáng daán at siyám na pû’t pitó
Frenchcent quatre-vingt-dix-sept
Greekεκατόν εννενήντα επτά
Hebrewמאה תשעים ושבע
Hindiएक सौ सत्तानबे
Icelandiceitt­hundrað og níutíu og sjó
Indonesianseratus sembilan puluh tujuh
Latviansimt deviņdesmit septiņi
Lithuanianšimtas devyniasdešimt septyni
Norwegianhundre og nitti­sju
Persianصد و نود و هفت
Polishsto dziewięćdziesiąt siedem
Portuguesecento e noventa e sete
Romanianuna sută nouăzeci şi şapte
Russianсто девяносто семь
Serbianсто деведесет и седам
Slovakjedna­sto deväťdesiat­sedem
Slovenesto devetdeset sedem
Spanish ciento noventa y siete
Swahilimia moja na tisini na saba
Turkishyüz doksan yedi
Ukrainianсто девʼяносто сім
Vietnamesemột trăm chín mươi bảy
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Number 197 reversed791
ASCII Code197Å
Unicode CharacterU+00C5Å
Hexadecimal color (shorthand)#119977
Unix TimestampThu, 01 Jan 1970 00:03:17 +0000
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