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# 129

Number 129 (one hundred twenty-nine) is an odd three-digits composite number and natural number following 128 and preceding 130.

## Properties of the number 129

 Nominal 129 Cardinal one hundred twenty-nine Cardinalone hundred twenty-nine Ordinal 129th Number of digits 3 Sum of digits 12 Product of digits 18 Number parity Odd
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## Prime Factorization of 129

 Prime factorization 3 x 43 Prime factors 3, 43 Number of distinct prime factors ω(n) 2 Total number of prime factors Ω(n) 2 Sum of prime factors 46 Product of prime factors 129
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## Divisors of 129

 List of proper divisors 1, 3, 43 List of all dividers 1, 3, 43, 129 Number of divisors d(n) 4 Sum of all divisors σ(n) 176 Aliquot sum 47 129 is a deficient number , since it is larger than the sum of its proper divisors (47). Its deficiency is 82.
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## Prime numbers

 Is 129 a prime number? No Is 129 a semiprime number? Yes Is 129 a Chen prime number? No Is 129 a Mersenne prime number? No
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## Sequences

 Is 129 a Catalan number? No Is 129 a Fibonacci number? No Is 129 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.
 129 is a Happy number 129 is not a Humble number 129 is not a Münchhausen number 129 is not a Perfect number 129 is not a Perfect square 129 is not a Palindrome
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## Numeric Bases of 129

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
2Binary100000012
3Ternary112103
4Quaternary20014
5Quinary10045
6Senary3336
7Septenary2437
8Octal2018
9Nonary1539
10Decimal129
12Duodecimala912
20Vigesimal6920
36Base363l36
60Sexagesimal2960
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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 129 (n2) 16641 Cube of 129 (n3) 2.14669e+06 Square root of 129 11.3578 Natural Logarithm (ln) of 129 4.85981 Decimal Logarithm (log) of 129 2.11059
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 129 -0.193473 Cosecant of 129 -5.16867 Cosine of 129 -0.981106 Secant of 129 -1.01926 Tangent of 129 0.197199 Cotangent of 129 5.07101
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## Number parity

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

No

### Is 129 an Odd Number?

Yes, the number 129 is an odd number.
Total number of all odd numbers from 1 to 129 is 65
Sum of all the odd numbers from 1 to 129 are 4225
The sum of all odd numbers is a perfect square: 4225 = 65
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 129 in words is "one hundred twenty-nine", meaning that: 129 is an aban number (a number without the letter a) 129 is not an eban number (as it contains the letter e) 129 is not an iban number (as it contains the letter i) 129 is not an oban number (as it contains the letter o) 129 is not a tban number (as it contains the letter t) 129 is not an uban number (as it contains the letter u)
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## Numeral systems

How to write 129 in other number systems?
 Bengali numerals ১২৯ Eastern Arabic numerals ١٢٩ Hieroglyphs numeralsused in Ancient Egypt 𓍢𓎇𓐂 Khmer numerals ១២៩ Japanese numerals 百二十九 Roman numerals CXXIX Thai numerals ๑๒๙
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## Translation

How do you say 129 in 38 different languages?
 Arabic مائة و تسعة و عشرون Croatian sto dvadeset i devet Czech sto dvacet devět Danish et hundrede ni og tyve Dutch honderdnegenentwintig Estonian alafa ɖeka blaeve vɔ asieke Faroese eitt­hundrað­og­tjúgo­níggju Filipino isáng daán at dalawáng pû’t siyám Finnish sata­kaksi­kymmentä­yhdeksän French cent vingt-neuf Greek εκατόν είκοσι εννέα German ein­hundert­neun­und­zwanzig Hebrew מאה עשרים ותשע Hindi एक सौ उनतीस Hungarian száz­huszon­kilenc Icelandic eitt­hundrað og tuttugu og níu Indonesian seratus dua puluh sembilan Italian centoventinove Japanese 百二十九 Korean 백이십구 Latvian simt divdesmit deviņi Lithuanian šimtas dvidešimt devyni Norwegian hundre og tjue­ni Persian صد و بیست و نه Polish sto dwadzieścia dziewięć Portuguese cento e vinte e nove Romanian una sută douăzeci şi nouă Russian сто двадцать девять Serbian сто двадесет и девет Slovak jedna­sto dvadsať­deväť Slovene sto dvaset devet Spanish ciento veintinueve Swahili mia moja na ishirini na tisa Swedish enhundratjugonio Thai หนึ่ง​ร้อย​ยี่​สิบ​เก้า Turkish yüz yirmi dokuz Ukrainian сто двадцять девʼять Vietnamese một trăm hai mươi chín
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## Miscellaneous

 Number 129 reversed 921 ASCII Code 129  Unicode Character U+0081  Hexadecimal color (shorthand) #112299 Unix Timestamp Thu, 01 Jan 1970 00:02:09 +0000
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