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# 1345

Number 1345 is an odd four-digits composite number and natural number following 1344 and preceding 1346.

## Properties of the number 1345

 Nominal 1345 Cardinal one thousand three hundred forty-five Cardinalone thousand three hundred forty-five Ordinal 1,345th Number of digits 4 Sum of digits 13 Product of digits 60 Number parity Odd
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## Prime Factorization of 1345

 Prime factorization 5 x 269 Prime factors 5, 269 Number of distinct prime factors ω(n) 2 Total number of prime factors Ω(n) 2 Sum of prime factors 274 Product of prime factors 1345
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## Divisors of 1345

 List of proper divisors 1, 5, 269 List of all dividers 1, 5, 269, 1345 Number of divisors d(n) 4 Sum of all divisors σ(n) 1620 Aliquot sum 275 1345 is a deficient number , since it is larger than the sum of its proper divisors (275). Its deficiency is 1070.
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## Prime numbers

 Is 1345 a prime number? No Is 1345 a semiprime number? Yes Is 1345 a Chen prime number? No Is 1345 a Mersenne prime number? No
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## Sequences

 Is 1345 a Catalan number? No Is 1345 a Fibonacci number? No Is 1345 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.
 1345 is not a Happy number 1345 is not a Humble number 1345 is not a Münchhausen number 1345 is not a Perfect number 1345 is not a Perfect square 1345 is not a Palindrome
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## Numeric Bases of 1345

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
2Binary101010000012
3Ternary12112113
4Quaternary1110014
5Quinary203405
6Senary101216
7Septenary36317
8Octal25018
9Nonary17549
10Decimal1345
12Duodecimal94112
20Vigesimal37520
36Base3611d36
60SexagesimalMP60
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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 1345 (n2) 1.80902e+06 Cube of 1345 (n3) 2.43314e+09 Square root of 1345 36.6742 Natural Logarithm (ln) of 1345 7.20415 Decimal Logarithm (log) of 1345 3.12872
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 1345 0.387893 Cosecant of 1345 2.57803 Cosine of 1345 0.921705 Secant of 1345 1.08495 Tangent of 1345 0.420843 Cotangent of 1345 2.37618
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## Number parity

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

No

### Is 1345 an Odd Number?

Yes, the number 1345 is an odd number.
Total number of all odd numbers from 1 to 1345 is 673
Sum of all the odd numbers from 1 to 1345 are 452929
The sum of all odd numbers is a perfect square: 452929 = 673
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 1345 in words is "one thousand three hundred forty-five", meaning that: 1345 is not an aban number (as it contains the letter a) 1345 is not an eban number (as it contains the letter e) 1345 is not an iban number (as it contains the letter i) 1345 is not an oban number (as it contains the letter o) 1345 is not a tban number (as it contains the letter t) 1345 is not an uban number (as it contains the letter u)
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## Numeral systems

How to write 1345 in other number systems?
 Bengali numerals ১৩৪৫ Eastern Arabic numerals ١٬٣٤٥ Hieroglyphs numeralsused in Ancient Egypt 𓆼𓍤𓎉𓏾 Khmer numerals ១៣៤៥ Japanese numerals 千三百四十五 Roman numerals MCCCXLV Thai numerals ๑๓๔๕
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## Translation

How do you say 1345 in 38 different languages?
 Arabic ألف و ثلاثة مائة و خمسة و أربعون Croatian tisuću tristo četrdeset i pet Czech jedna tisíc tři sta čtyřicet pět Danish et tusind tre hundrede fem og fyrre Dutch duizend driehonderdvijfenveertig Estonian akpe ɖeka alafa etɔ̃ blaene vɔ atɔ̃ Faroese eitt tusin og trý­hundrað­og­fýrati­fimm Filipino isáng libó’t tatlóng daán at ápat na pû’t limá Finnish tuhat­kolme­sataa­neljä­kymmentä­viisi French mille trois cent quarante-cinq Greek χίλια τριακόσια σαράντα πέντε German ein­tausend­drei­hundert­fünf­und­vierzig Hebrew אלף שלוש מאות ארבעים וחמש Hindi एक हज़ार तीन सौ पैंतालीस Hungarian ezer­három­száz­negyven­öt Icelandic eitt þúsund og þrjú­hundrað og fjörutíu og fimm Indonesian seribu tiga ratus empat puluh lima Italian milletrecentoquarantacinque Japanese 千三百四十五 Korean 천삼백사십오 Latvian tūkstoš trīssimt četrdesmit pieci Lithuanian tūkstantis trys šimtai keturiasdešimt penki Norwegian tusen tre hundre og førti­fem Persian یک هزار و سیصد و چهل و پنج Polish tysiąc trzysta czterdzieści pięć Portuguese mil trezentos e quarenta e cinco Romanian una mie trei sute patruzeci şi cinci Russian одна тысяча триста сорок пять Serbian једна хиљаду триста четрдесет и пет Slovak jedna tisíc tri­sto štyridsať­päť Slovene tisuću tristo štirideset pet Spanish mil trescientos cuarenta y cinco Swahili elfu moja, mia tatu na arobaini na tano Swedish entusentrehundrafyrtiofem Thai หนึ่ง​พัน​สาม​ร้อย​สี่​สิบ​ห้า Turkish bin üç yüz kırk beş Ukrainian одна тисяча триста сорок пʼять Vietnamese một nghìn ba trăm bốn mươi lăm
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## Miscellaneous

 Number 1345 reversed 5431 Unicode Character U+0541 Ձ Unix Timestamp Thu, 01 Jan 1970 00:22:25 +0000
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