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21988

Number 21988 is an even five-digits composite number and natural number following 21987 and preceding 21989.

Properties of the number 21988

Nominal21988
Cardinaltwenty-one thousand nine hundred eighty-eight
Cardinal
twenty-one thousand nine hundred eighty-eight
Ordinal21,988th
Number of digits5
Sum of digits28
Product of digits1152
Number parityEven
Previous number is 21987
Next number is 21989
Calculation was done in 0.0000448227 seconds

Prime Factorization of 21988

Prime factorization2 x 2 x 23 x 239
Prime factorization in exponent form22 x 23 x 239
Prime factors2, 23, 239
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)4
Sum of prime factors264
Product of prime factors10994
Calculation was done in 0.0000259876 seconds

Divisors of 21988

List of proper divisors 1, 2, 4, 23, 46, 92, 239, 478, 956, 5497, 10994
List of all dividers1, 2, 4, 23, 46, 92, 239, 478, 956, 5497, 10994, 21988
Number of divisors d(n)12
Sum of all divisors σ(n)40320
Aliquot sum 18332
21988 is a deficient number , since it is larger than the sum of its proper divisors (18332). Its deficiency is 3656.
Calculation was done in 0.0000288486 seconds

Prime numbers

Is 21988 a prime number?No
Is 21988 a semiprime number?No
Is 21988 a Chen prime number?No
Is 21988 a Mersenne prime number?No
Previous prime is 21977
Next prime is 21991
Calculation was done in 0.0015699863 seconds

Sequences

Is 21988 a Catalan number?No
Is 21988 a Fibonacci number?No
Is 21988 a Idoneal number?No
Calculation was done in 0.0000069141 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
21988 is not a Happy number
21988 is not a Humble number
21988 is not a Münchhausen number
21988 is not a Perfect number
21988 is not a Perfect square
21988 is not a Palindrome
Calculation was done in 0.0109879971 seconds

Numeric Bases of 21988

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
2Binary1010101111001002
3Ternary10100111013
4Quaternary111132104
5Quinary12004235
6Senary2454446
7Septenary1210517
8Octal527448
9Nonary331419
10Decimal21988
12Duodecimal1088412
16Hexadecimal55e416
20Vigesimal2ej820
36Base36gys36
60Sexagesimal66S60
Calculation was done in 0.0000219345 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 21988 (n2)483472144
Cube of 21988 (n3)10630585502272
Square root of 21988148.28351223248
Natural Logarithm (ln) of 219889.9982521289806
Decimal Logarithm (log) of 219884.3421857282937
Calculation was done in 0.0000050068 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 219880.006982418224637
Cosecant of 21988143.21685808959
Cosine of 21988-0.99997562262074
Secant of 21988-1.0000243779735
Tangent of 21988-0.0069825884418437
Cotangent of 21988-143.21336683792
Calculation was done in 0.0000061989 seconds

Number parity

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

Is 21988 an Even Number?

Yes, the number 21988 is an even number.

Is 21988 an Odd Number?

No
Previous even number is 21986
Next even number is 21990
Calculation was done in 0.0000047684 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 21988 in words is "twenty-one thousand nine hundred eighty-eight", meaning that:
21988 is not an aban number (as it contains the letter a)
21988 is not an eban number (as it contains the letter e)
21988 is not an iban number (as it contains the letter i)
21988 is not an oban number (as it contains the letter o)
21988 is not a tban number (as it contains the letter t)
21988 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000021458 seconds

Numeral systems

How to write 21988 in other number systems?
Bengali numerals২১৯৮৮
Eastern Arabic numerals٢١٬٩٨٨
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓍪𓎍𓐁
Khmer numerals២១៩៨៨
Japanese numerals二万千九百八十八
Roman numeralsn/a
Thai numerals๒๑๙๘๘
Calculation was done in 0.0000839233 seconds

Translation

How do you say 21988 in 38 different languages?
Arabicواحد و عشرون ألف و تسعة مائة و ثمانية و ثمانون
Croatiandvadeset i jedna tisuća devetsto osamdeset i osam
Czechdvacet jedna tisíc devět set osmdesát osm
Danish en og tyve tusinde ni hundrede otte og firs
Dutchéénentwintigduizend negenhonderdachtentachtig
Estonianakpe blaeve vɔ ɖekɛ alafa asieke blaenyi vɔ enyi
Faroesetjúgo­eitt tusin og níggju­hundrað­og­áttati­átta
Filipinodalawáng pû’t isáng libó’t siyám na daán at walóng pû’t waló
Finnishkaksi­kymmentä­yksi­tuhatta­yhdeksän­sataa­kahdeksan­kymmentä­kahdeksan
Frenchvingt et un mille neuf cent quatre-vingt-huit
Greekείκοσι μία χίλιάδες εννιακόσια ογδόντα οκτώ
Germanein­und­zwanzig­tausend­neun­hundert­acht­und­achtzig
Hebrewעשרים ואחד אלף תשע מאות שמונים ושמונה
Hindiइक्कीस हज़ार नौ सौ अट्ठासी
Hungarianhuszon­egy­ezer­kilenc­száz­nyolcvan­nyolc
Icelandictuttugu og eitt þúsund og níu­hundrað og áttatíu og átta
Indonesiandua puluh satu ribu sembilan ratus delapan puluh delapan
Italianventunomilanovecentoottantotto
Japanese二万千九百八十八
Korean이만 천구백팔십팔
Latviandivdesmit viens tūkstoši deviņsimt astoņdesmit astoņi
Lithuaniandvidešimt vienas tūkstantis devyni šimtai aštuoniasdešimt aštuoni
Norwegiantjue­ett tusen ni hundre og åtti­åtte
Persianبیست و یک هزار و نهصد و هشتاد و هشت
Polishdwadzieścia jeden tysięcy dziewięćset osiemdziesiąt osiem
Portuguesevinte e um mil novecentos e oitenta e oito
Romaniandouăzeci şi una mii nouă sute optzeci şi opt
Russianдвадцать одна тысяча девятьсот восемьдесят восемь
Serbianдвадесет и једна хиљада деветсто осамдесет и осам
Slovakdvadsať­jedna tisíc deväť­sto osemdesiat­osem
Slovenedvaset ena tisuću devetsto osemdeset osem
Spanish veintiún mil novecientos ochenta y ocho
Swahilielfu ishirini na moja, mia tisa na themanini na nane
Swedishtjugoentusenniohundraåttioåtta
Thaiสอง​หมื่น​หนึ่ง​พัน​เก้า​ร้อย​แปด​สิบ​แปด
Turkishyirmi bir bin dokuz yüz seksen sekiz
Ukrainianдвадцять одна тисяча девʼятсот вісімдесят вісім
Vietnamesehai mươi mốt nghìn chín trăm tám mươi tám
Calculation was done in 0.0223209858 seconds

Miscellaneous

Number 21988 reversed88912
Unicode CharacterU+55E4嗤
Unix TimestampThu, 01 Jan 1970 06:06:28 +0000
Calculation was done in 0.0000269413 seconds
This page was generated in 0.04 seconds.