26991

Number 26991 is an odd five-digits composite number and natural number following 26990 and preceding 26992.

Properties of the number 26991

Nominal	26991
Cardinal	twenty-six thousand nine hundred ninety-one
Cardinal twenty-six thousand nine hundred ninety-one
Ordinal	26,991st
Number of digits	5
Sum of digits	27
Product of digits	972
Number parity	Odd

Previous number is 26990

Next number is 26992

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Prime Factorization of 26991

Prime factorization	3 x 3 x 2999
Prime factorization in exponent form	3² x 2999
Prime factors	3, 2999
Number of distinct prime factors ω(n)	2
Total number of prime factors Ω(n)	3
Sum of prime factors	3002
Product of prime factors	8997

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Divisors of 26991

List of proper divisors	1, 3, 9, 2999, 8997
List of all dividers	1, 3, 9, 2999, 8997, 26991
Number of divisors d(n)	6
Sum of all divisors σ(n)	39000
Aliquot sum	12009
26991 is a deficient number , since it is larger than the sum of its proper divisors (12009). Its deficiency is 14982.

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Prime numbers

Is 26991 a prime number?	No
Is 26991 a semiprime number?	No
Is 26991 a Chen prime number?	No
Is 26991 a Mersenne prime number?	No

Previous prime is 26987

Next prime is 26993

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Sequences

Is 26991 a Catalan number?	No
Is 26991 a Fibonacci number?	No
Is 26991 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.

26991 is a Happy number

26991 is not a Humble number

26991 is not a Münchhausen number

26991 is not a Perfect number

26991 is not a Perfect square

26991 is not a Palindrome

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Numeric Bases of 26991

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.

Base	System	Value
2	Binary	110100101101111₂
3	Ternary	1101000200₃
4	Quaternary	12211233₄
5	Quinary	1330431₅
6	Senary	324543₆
7	Septenary	141456₇
8	Octal	64557₈
9	Nonary	41020₉
10	Decimal	26991
12	Duodecimal	13753₁₂
16	Hexadecimal	696f₁₆
20	Vigesimal	379b₂₀
36	Base36	ktr₃₆
60	Sexagesimal	7Tp₆₀

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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 26991 (n²)	728514081
Cube of 26991 (n³)	19663323560271
Square root of 26991	164.28937884112
Natural Logarithm (ln) of 26991	10.203258756085
Decimal Logarithm (log) of 26991	4.4312189751989

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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.

Sine of 26991	-0.99997744316758
Cosecant of 26991	-1.0000225573412
Cosine of 26991	0.0067166327889493
Secant of 26991	148.88412563588
Tangent of 26991	-148.88076728161
Cotangent of 26991	-0.0067167842983271

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Number parity

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

Is 26991 an Even Number?

Is 26991 an Odd Number?

Yes, the number 26991 is an odd number.

Total number of all odd numbers from 1 to 26991 is 13496

Sum of all the odd numbers from 1 to 26991 are 182142016

The sum of all odd numbers is a perfect square: 182142016 = 13496

An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.

Previous odd number is 26989

Next odd number is 26993

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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 26991 in words is "twenty-six thousand nine hundred ninety-one", meaning that:

26991 is not an aban number (as it contains the letter a)

26991 is not an eban number (as it contains the letter e)

26991 is not an iban number (as it contains the letter i)

26991 is not an oban number (as it contains the letter o)

26991 is not a tban number (as it contains the letter t)

26991 is not an uban number (as it contains the letter u)

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Numeral systems

How to write 26991 in other number systems?

Bengali numerals	২৬৯৯১
Eastern Arabic numerals	٢٦٬٩٩١
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓍪𓎎𓏺
Khmer numerals	២៦៩៩១
Japanese numerals	二万六千九百九十一
Roman numerals	n/a
Thai numerals	๒๖๙๙๑

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Translation

How do you say 26991 in 38 different languages?

Arabic	ستة و عشرون ألف و تسعة مائة و واحد و تسعون
Croatian	dvadeset i šest tisuća devetsto devedeset i jedan
Czech	dvacet šest tisíc devět set devadesát jeden
Danish	seks og tyve tusinde ni hundrede en og halvfems
Dutch	zesentwintigduizend negenhonderdéénennegentig
Estonian	akpe blaeve vɔ ade alafa asieke blaasieke vɔ ɖekɛ
Faroese	tjúgoseks tusin og níggjuhundraðognítiein
Filipino	dalawáng pû’t anim na libó’t siyám na daán at siyám na pû’t isá
Finnish	kaksikymmentäkuusituhattayhdeksänsataayhdeksänkymmentäyksi
French	vingt-six mille neuf cent quatre-vingt-onze
Greek	είκοσι έξι χίλιάδες εννιακόσια εννενήντα ένα
German	sechsundzwanzigtausendneunhunderteinundneunzig
Hebrew	עשרים ושישה אלף תשע מאות תשעים ואחת
Hindi	छब्बीस हज़ार नौ सौ इक्यानबे
Hungarian	huszonhatezerkilencszázkilencvenegy
Icelandic	tuttugu og sex þúsund og níuhundrað og níutíu og einn
Indonesian	dua puluh enam ribu sembilan ratus sembilan puluh satu
Italian	ventiseimilanovecentonovantuno
Japanese	二万六千九百九十一
Korean	이만 육천구백구십일
Latvian	divdesmit seši tūkstoši deviņsimt deviņdesmit viens
Lithuanian	dvidešimt šeši tūkstančiai devyni šimtai devyniasdešimt vienas
Norwegian	tjueseks tusen ni hundre og nittién
Persian	بیست و شش هزار و نهصد و نود و یک
Polish	dwadzieścia sześć tysięcy dziewięćset dziewięćdziesiąt jeden
Portuguese	vinte e seis mil novecentos e noventa e um
Romanian	douăzeci şi şase mii nouă sute nouăzeci şi unu
Russian	двадцать шесть тысяч девятьсот девяносто один
Serbian	двадесет и шест хиљада деветсто деведесет и један
Slovak	dvadsaťšesť tisíc deväťsto deväťdesiatjeden
Slovene	dvaset šest tisuću devetsto devetdeset ena
Spanish	veintiseis mil novecientos noventa y uno
Swahili	elfu ishirini na sita, mia tisa na tisini na moja
Swedish	tjugosextusenniohundranittioen
Thai	สองหมื่นหกพันเก้าร้อยเก้าสิบเอ็ด
Turkish	yirmi altı bin dokuz yüz doksan bir
Ukrainian	двадцять шість тисяч девʼятсот девʼяносто один
Vietnamese	hai mươi sáu nghìn chín trăm chín mươi mốt

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Miscellaneous

Number 26991 reversed	19962
Unicode Character	U+696F	楯
Unix Timestamp	Thu, 01 Jan 1970 07:29:51 +0000

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