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23981

Number 23981 is an odd five-digits prime number and natural number following 23980 and preceding 23982.

Properties of the number 23981

Nominal23981
Cardinaltwenty-three thousand nine hundred eighty-one
Cardinal
twenty-three thousand nine hundred eighty-one
Ordinal23,981st
Number of digits5
Sum of digits23
Product of digits432
Number parityOdd
Calculation was done in 0.0000448227 seconds

Prime Factorization of 23981

Prime factorization23981
Prime factors23981
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors23981
Product of prime factors23981
Calculation was done in 0.0021400452 seconds

Divisors of 23981

List of proper divisors 1
List of all dividers1, 23981
Number of divisors d(n)2
Sum of all divisors σ(n)23982
Aliquot sum 1
23981 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 23980.
Calculation was done in 0.0000288486 seconds

Prime numbers

Is 23981 a prime number?Yes
Is 23981 a semiprime number?No
Is 23981 a Chen prime number?Yes
Is 23981 a Mersenne prime number?No
Calculation was done in 0.2211170197 seconds

Sequences

Is 23981 a Catalan number?No
Is 23981 a Fibonacci number?No
Is 23981 a Idoneal number?No
Calculation was done in 0.0000090599 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
23981 is not a Happy number
23981 is not a Humble number
23981 is not a Münchhausen number
23981 is not a Perfect number
23981 is not a Perfect square
23981 is not a Palindrome
Calculation was done in 0.0115449429 seconds

Numeric Bases of 23981

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
2Binary1011101101011012
3Ternary10122200123
4Quaternary113122314
5Quinary12314115
6Senary3030056
7Septenary1266267
8Octal566558
9Nonary358059
10Decimal23981
12Duodecimal11a6512
16Hexadecimal5dad16
20Vigesimal2jj120
36Base36ii536
60Sexagesimal6df60
Calculation was done in 0.0000250340 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 23981 (n2)575088361
Cube of 23981 (n3)13791193985141
Square root of 23981154.85799947048
Natural Logarithm (ln) of 2398110.08501712913
Decimal Logarithm (log) of 239814.3798672890809
Calculation was done in 0.0000059605 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 23981-0.94021980869868
Cosecant of 23981-1.063581080454
Cosine of 23981-0.34056821832142
Secant of 23981-2.9362692882171
Tangent of 239812.7607385484553
Cotangent of 239810.36222191361059
Calculation was done in 0.0000200272 seconds

Number parity

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

Is 23981 an Even Number?

No

Is 23981 an Odd Number?

Yes, the number 23981 is an odd number.
Total number of all odd numbers from 1 to 23981 is 11991
Sum of all the odd numbers from 1 to 23981 are 143784081
The sum of all odd numbers is a perfect square: 143784081 = 11991
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000071526 seconds

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 23981 in words is "twenty-three thousand nine hundred eighty-one", meaning that:
23981 is not an aban number (as it contains the letter a)
23981 is not an eban number (as it contains the letter e)
23981 is not an iban number (as it contains the letter i)
23981 is not an oban number (as it contains the letter o)
23981 is not a tban number (as it contains the letter t)
23981 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 23981 in other number systems?
Bengali numerals২৩৯৮১
Eastern Arabic numerals٢٣٬٩٨١
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓆼𓆼𓍪𓎍𓏺
Khmer numerals២៣៩៨១
Japanese numerals二万三千九百八十一
Roman numeralsn/a
Thai numerals๒๓๙๘๑
Calculation was done in 0.0001761913 seconds

Translation

How do you say 23981 in 38 different languages?
Arabicثلاثة و عشرون ألف و تسعة مائة و واحد و ثمانون
Croatiandvadeset i tri tisuća devetsto osamdeset i jedan
Czechdvacet tři tisíc devět set osmdesát jeden
Danish tre og tyve tusinde ni hundrede en og firs
Dutchdrieentwintigduizend negenhonderdéénentachtig
Estonianakpe blaeve vɔ etɔ̃ alafa asieke blaenyi vɔ ɖekɛ
Faroesetjúgo­trý tusin og níggju­hundrað­og­áttati­ein
Filipinodalawáng pû’t tatlóng libó’t siyám na daán at walóng pû’t isá
Finnishkaksi­kymmentä­kolme­tuhatta­yhdeksän­sataa­kahdeksan­kymmentä­yksi
Frenchvingt-trois mille neuf cent quatre-vingt-un
Greekείκοσι τρεις χίλιάδες εννιακόσια ογδόντα ένα
Germandrei­und­zwanzig­tausend­neun­hundert­ein­und­achtzig
Hebrewעשרים ושלושה אלף תשע מאות שמונים ואחת
Hindiतेईस हज़ार नौ सौ इक्यासी
Hungarianhuszon­három­ezer­kilenc­száz­nyolcvan­egy
Icelandictuttugu og þrjú þúsund og níu­hundrað og áttatíu og einn
Indonesiandua puluh tiga ribu sembilan ratus delapan puluh satu
Italianventitremilanovecentoottantuno
Japanese二万三千九百八十一
Korean이만 삼천구백팔십일
Latviandivdesmit trīs tūkstoši deviņsimt astoņdesmit viens
Lithuaniandvidešimt trys tūkstančiai devyni šimtai aštuoniasdešimt vienas
Norwegiantjue­tre tusen ni hundre og åtti­én
Persianبیست و سه هزار و نهصد و هشتاد و یک
Polishdwadzieścia trzy tysiące dziewięćset osiemdziesiąt jeden
Portuguesevinte e três mil novecentos e oitenta e um
Romaniandouăzeci şi trei mii nouă sute optzeci şi unu
Russianдвадцать три тысячи девятьсот восемьдесят один
Serbianдвадесет и три хиљада деветсто осамдесет и један
Slovakdvadsať­tri tisíc deväť­sto osemdesiat­jeden
Slovenedvaset tri tisuću devetsto osemdeset ena
Spanish veintitres mil novecientos ochenta y uno
Swahilielfu ishirini na tatu, mia tisa na themanini na moja
Swedishtjugotretusenniohundraåttioen
Thaiสอง​หมื่น​สาม​พัน​เก้า​ร้อย​แปด​สิบ​เอ็ด
Turkishyirmi üç bin dokuz yüz seksen bir
Ukrainianдвадцять три тисячі девʼятсот вісімдесят один
Vietnamesehai mươi ba nghìn chín trăm tám mươi mốt
Calculation was done in 0.0236480236 seconds

Miscellaneous

Number 23981 reversed18932
Unicode CharacterU+5DAD
Unix TimestampThu, 01 Jan 1970 06:39:41 +0000
Calculation was done in 0.0000340939 seconds
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