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# 128

Number 128 (one hundred twenty-eight) is an even three-digits composite number and natural number following 127 and preceding 129.

## Properties of the number 128

 Nominal 128 Cardinal one hundred twenty-eight Cardinalone hundred twenty-eight Ordinal 128th Number of digits 3 Sum of digits 11 Product of digits 16 Number parity Even
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## Prime Factorization of 128

 Prime factorization 2 x 2 x 2 x 2 x 2 x 2 x 2 Prime factorization in exponent form 27 Prime factors 2 Number of distinct prime factors ω(n) 1 Total number of prime factors Ω(n) 7 Sum of prime factors 2 Product of prime factors 2
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## Divisors of 128

 List of proper divisors 1, 2, 4, 8, 16, 32, 64 List of all dividers 1, 2, 4, 8, 16, 32, 64, 128 Number of divisors d(n) 8 Sum of all divisors σ(n) 255 Aliquot sum 127 128 is a deficient number , since it is larger than the sum of its proper divisors (127). Its deficiency is 1.
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## Prime numbers

 Is 128 a prime number? No Is 128 a semiprime number? No Is 128 a Chen prime number? No Is 128 a Mersenne prime number? No
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## Sequences

 Is 128 a Catalan number? No Is 128 a Fibonacci number? No Is 128 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.
 128 is not a Happy number 128 is a Humble number 128 is not a Münchhausen number 128 is not a Perfect number 128 is not a Perfect square 128 is not a Palindrome
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## Numeric Bases of 128

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
2Binary100000002
3Ternary112023
4Quaternary20004
5Quinary10035
6Senary3326
7Septenary2427
8Octal2008
9Nonary1529
10Decimal128
12Duodecimala812
20Vigesimal6820
36Base363k36
60Sexagesimal2860
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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 128 (n2) 16384 Cube of 128 (n3) 2.09715e+06 Square root of 128 11.3137 Natural Logarithm (ln) of 128 4.85203 Decimal Logarithm (log) of 128 2.10721
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 128 0.721038 Cosecant of 128 1.38689 Cosine of 128 -0.692896 Secant of 128 -1.44322 Tangent of 128 -1.04061 Cotangent of 128 -0.96097
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## Number parity

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

### Is 128 an Even Number?

Yes, the number 128 is an even number.

### Is 128 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 128 in words is "one hundred twenty-eight", meaning that: 128 is an aban number (a number without the letter a) 128 is not an eban number (as it contains the letter e) 128 is not an iban number (as it contains the letter i) 128 is not an oban number (as it contains the letter o) 128 is not a tban number (as it contains the letter t) 128 is not an uban number (as it contains the letter u)
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## Numeral systems

How to write 128 in other number systems?
 Bengali numerals ১২৮ Eastern Arabic numerals ١٢٨ Hieroglyphs numeralsused in Ancient Egypt 𓍢𓎇𓐁 Khmer numerals ១២៨ Japanese numerals 百二十八 Roman numerals CXXVIII Thai numerals ๑๒๘
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## Translation

How do you say 128 in 38 different languages?
 Arabic مائة و ثمانية و عشرون Croatian sto dvadeset i osam Czech sto dvacet osm Danish et hundrede otte og tyve Dutch honderdachtentwintig Estonian alafa ɖeka blaeve vɔ enyi Faroese eitt­hundrað­og­tjúgo­átta Filipino isáng daán at dalawáng pû’t waló Finnish sata­kaksi­kymmentä­kahdeksan French cent vingt-huit Greek εκατόν είκοσι οκτώ German ein­hundert­acht­und­zwanzig Hebrew מאה עשרים ושמונה Hindi एक सौ अट्ठाईस Hungarian száz­huszon­nyolc Icelandic eitt­hundrað og tuttugu og átta Indonesian seratus dua puluh delapan Italian centoventotto Japanese 百二十八 Korean 백이십팔 Latvian simt divdesmit astoņi Lithuanian šimtas dvidešimt aštuoni Norwegian hundre og tjue­åtte Persian صد و بیست و هشت Polish sto dwadzieścia osiem Portuguese cento e vinte e oito Romanian una sută douăzeci şi opt Russian сто двадцать восемь Serbian сто двадесет и осам Slovak jedna­sto dvadsať­osem Slovene sto dvaset osem Spanish ciento veintiocho Swahili mia moja na ishirini na nane Swedish enhundratjugoåtta Thai หนึ่ง​ร้อย​ยี่​สิบ​แปด Turkish yüz yirmi sekiz Ukrainian сто двадцять вісім Vietnamese một trăm hai mươi tám
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## Miscellaneous

 Number 128 reversed 821 ASCII Code 128 € Unicode Character U+0080 € Hexadecimal color (shorthand) #112288 Unix Timestamp Thu, 01 Jan 1970 00:02:08 +0000
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