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# 138

Number 138 (one hundred thirty-eight) is an even three-digits composite number and natural number following 137 and preceding 139.

## Properties of the number 138

 Nominal 138 Cardinal one hundred thirty-eight Cardinalone hundred thirty-eight Ordinal 138th Number of digits 3 Sum of digits 12 Product of digits 24 Number parity Even
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## Prime Factorization of 138

 Prime factorization 2 x 3 x 23 Prime factors 2, 3, 23 Number of distinct prime factors ω(n) 3 Total number of prime factors Ω(n) 3 Sum of prime factors 28 Product of prime factors 138
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## Divisors of 138

 List of proper divisors 1, 2, 3, 6, 23, 46, 69 List of all dividers 1, 2, 3, 6, 23, 46, 69, 138 Number of divisors d(n) 8 Sum of all divisors σ(n) 288 Aliquot sum 150 138 is an abundant number , because the sum of its proper divisors (150) is greater than itself. Its abundance is 12.
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## Prime numbers

 Is 138 a prime number? No Is 138 a semiprime number? No Is 138 a Chen prime number? No Is 138 a Mersenne prime number? No
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## Sequences

 Is 138 a Catalan number? No Is 138 a Fibonacci number? No Is 138 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.
 138 is not a Happy number 138 is not a Humble number 138 is not a Münchhausen number 138 is not a Perfect number 138 is not a Perfect square 138 is not a Palindrome
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## Numeric Bases of 138

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
2Binary100010102
3Ternary120103
4Quaternary20224
5Quinary10235
6Senary3506
7Septenary2557
8Octal2128
9Nonary1639
10Decimal138
12Duodecimalb612
20Vigesimal6i20
36Base363u36
60Sexagesimal2I60
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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 138 (n2) 19044 Cube of 138 (n3) 2.62807e+06 Square root of 138 11.7473 Natural Logarithm (ln) of 138 4.92725 Decimal Logarithm (log) of 138 2.13988
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 138 -0.228052 Cosecant of 138 -4.38496 Cosine of 138 0.973649 Secant of 138 1.02706 Tangent of 138 -0.234224 Cotangent of 138 -4.26941
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## Number parity

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

### Is 138 an Even Number?

Yes, the number 138 is an even number.

### Is 138 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 138 in words is "one hundred thirty-eight", meaning that: 138 is an aban number (a number without the letter a) 138 is not an eban number (as it contains the letter e) 138 is not an iban number (as it contains the letter i) 138 is not an oban number (as it contains the letter o) 138 is not a tban number (as it contains the letter t) 138 is not an uban number (as it contains the letter u)
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## Numeral systems

How to write 138 in other number systems?
 Bengali numerals ১৩৮ Eastern Arabic numerals ١٣٨ Hieroglyphs numeralsused in Ancient Egypt 𓍢𓎈𓐁 Khmer numerals ១៣៨ Japanese numerals 百三十八 Roman numerals CXXXVIII Thai numerals ๑๓๘
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## Translation

How do you say 138 in 38 different languages?
 Arabic مائة و ثمانية و ثلاثون Croatian sto trideset i osam Czech sto třicet osm Danish et hundrede otte og tredive Dutch honderdachtendertig Estonian alafa ɖeka blaetɔ̃ vɔ enyi Faroese eitt­hundrað­og­tríati­átta Filipino isáng daán at tatlóng pû’t waló Finnish sata­kolme­kymmentä­kahdeksan French cent trente-huit Greek εκατόν τριάντα οκτώ German ein­hundert­acht­und­dreißig Hebrew מאה שלושים ושמונה Hindi एक सौ अड़तीस Hungarian száz­harminc­nyolc Icelandic eitt­hundrað og þrjátíu og átta Indonesian seratus tiga puluh delapan Italian centotrentotto Japanese 百三十八 Korean 백삼십팔 Latvian simt trīsdesmit astoņi Lithuanian šimtas trisdešimt aštuoni Norwegian hundre og tretti­åtte Persian صد و سی و هشت Polish sto trzydzieści osiem Portuguese cento e trinta e oito Romanian una sută treizeci şi opt Russian сто тридцать восемь Serbian сто тридесет и осам Slovak jedna­sto tridsať­osem Slovene sto trideset osem Spanish ciento treinta y ocho Swahili mia moja na thelathini na nane Swedish enhundratrettioåtta Thai หนึ่ง​ร้อย​สาม​สิบ​แปด Turkish yüz otuz sekiz Ukrainian сто тридцять вісім Vietnamese một trăm ba mươi tám
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## Miscellaneous

 Number 138 reversed 831 ASCII Code 138 Š Unicode Character U+008A Š Hexadecimal color (shorthand) #113388 Unix Timestamp Thu, 01 Jan 1970 00:02:18 +0000
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