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21155

Number 21155 is an odd five-digits composite number and natural number following 21154 and preceding 21156.

Properties of the number 21155

Nominal21155
Cardinaltwenty-one thousand one hundred fifty-five
Cardinal
twenty-one thousand one hundred fifty-five
Ordinal21,155th
Number of digits5
Sum of digits14
Product of digits50
Number parityOdd
Calculation was done in 0.0000321865 seconds

Prime Factorization of 21155

Prime factorization5 x 4231
Prime factors5, 4231
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)2
Sum of prime factors4236
Product of prime factors21155
Calculation was done in 0.0001230240 seconds

Divisors of 21155

List of proper divisors 1, 5, 4231
List of all dividers1, 5, 4231, 21155
Number of divisors d(n)4
Sum of all divisors σ(n)25392
Aliquot sum 4237
21155 is a deficient number , since it is larger than the sum of its proper divisors (4237). Its deficiency is 16918.
Calculation was done in 0.0000300407 seconds

Prime numbers

Is 21155 a prime number?No
Is 21155 a semiprime number?Yes
Is 21155 a Chen prime number?No
Is 21155 a Mersenne prime number?No
Calculation was done in 0.0899920464 seconds

Sequences

Is 21155 a Catalan number?No
Is 21155 a Fibonacci number?No
Is 21155 a Idoneal number?No
Calculation was done in 0.0000100136 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
21155 is not a Happy number
21155 is not a Humble number
21155 is not a Münchhausen number
21155 is not a Perfect number
21155 is not a Perfect square
21155 is not a Palindrome
Calculation was done in 0.0087018013 seconds

Numeric Bases of 21155

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
2Binary1010010101000112
3Ternary10020001123
4Quaternary110222034
5Quinary11341105
6Senary2415356
7Septenary1154517
8Octal512438
9Nonary320159
10Decimal21155
12Duodecimal102ab12
16Hexadecimal52a316
20Vigesimal2chf20
36Base36gbn36
60Sexagesimal5qZ60
Calculation was done in 0.0000290871 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 21155 (n2)447534025
Cube of 21155 (n3)9467582298875
Square root of 21155145.44758506074
Natural Logarithm (ln) of 211559.9596315631542
Decimal Logarithm (log) of 211554.3254130296673
Calculation was done in 0.0000069141 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 21155-0.46614578846823
Cosecant of 21155-2.1452516031219
Cosine of 211550.8847079201032
Secant of 211551.1303165454689
Tangent of 21155-0.52689229730627
Cotangent of 21155-1.897921083896
Calculation was done in 0.0000569820 seconds

Number parity

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

Is 21155 an Even Number?

No

Is 21155 an Odd Number?

Yes, the number 21155 is an odd number.
Total number of all odd numbers from 1 to 21155 is 10578
Sum of all the odd numbers from 1 to 21155 are 111894084
The sum of all odd numbers is a perfect square: 111894084 = 10578
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 0.0000090599 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 21155 in words is "twenty-one thousand one hundred fifty-five", meaning that:
21155 is not an aban number (as it contains the letter a)
21155 is not an eban number (as it contains the letter e)
21155 is not an iban number (as it contains the letter i)
21155 is not an oban number (as it contains the letter o)
21155 is not a tban number (as it contains the letter t)
21155 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 21155 in other number systems?
Bengali numerals২১১৫৫
Eastern Arabic numerals٢١٬١٥٥
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓍢𓎊𓏾
Khmer numerals២១១៥៥
Japanese numerals二万千百五十五
Roman numeralsn/a
Thai numerals๒๑๑๕๕
Calculation was done in 0.0001859665 seconds

Translation

How do you say 21155 in 38 different languages?
Arabicواحد و عشرون ألف و مائة و خمسة و خمسون
Croatiandvadeset i jedna tisuća sto pedeset i pet
Czechdvacet jedna tisíc sto padesát pět
Danish en og tyve tusinde et hundrede fem og halvtreds
Dutchéénentwintigduizend honderdvijfenvijftig
Estonianakpe blaeve vɔ ɖekɛ alafa ɖeka blaatɔ̃ vɔ atɔ̃
Faroesetjúgo­eitt tusin og eitt­hundrað­og­fimmti­fimm
Filipinodalawáng pû’t isáng libó’t isáng daán at limáng pû’t limá
Finnishkaksi­kymmentä­yksi­tuhatta­sata­viisi­kymmentä­viisi
Frenchvingt et un mille cent cinquante-cinq
Greekείκοσι μία χίλιάδες εκατόν πενήντα πέντε
Germanein­und­zwanzig­tausend­ein­hundert­fünf­und­fünfzig
Hebrewעשרים ואחד אלף מאה חמישים וחמש
Hindiइक्कीस हज़ार एक सौ पचपन
Hungarianhuszon­egy­ezer­száz­ötven­öt
Icelandictuttugu og eitt þúsund og eitt­hundrað og fimmtíu og fimm
Indonesiandua puluh satu ribu seratus lima puluh lima
Italianventunomilacentocinquantacinque
Japanese二万千百五十五
Korean이만 천백오십오
Latviandivdesmit viens tūkstoši simt piecdesmit pieci
Lithuaniandvidešimt vienas tūkstantis šimtas penkiasdešimt penki
Norwegiantjue­ett tusen hundre og femti­fem
Persianبیست و یک هزار و صد و پنجاه و پنج
Polishdwadzieścia jeden tysięcy sto pięćdziesiąt pięć
Portuguesevinte e um mil cento e cinquenta e cinco
Romaniandouăzeci şi una mii una sută cincizeci şi cinci
Russianдвадцать одна тысяча сто пятьдесят пять
Serbianдвадесет и једна хиљада сто педесет и пет
Slovakdvadsať­jedna tisíc jedna­sto päťdesiat­päť
Slovenedvaset ena tisuću sto petdeset pet
Spanish veintiún mil ciento cincuenta y cinco
Swahilielfu ishirini na moja, mia moja na hamsini na tano
Swedishtjugoentusenenhundrafemtiofem
Thaiสอง​หมื่น​หนึ่ง​พัน​หนึ่ง​ร้อย​ห้า​สิบ​ห้า
Turkishyirmi bir bin yüz elli beş
Ukrainianдвадцять одна тисяча сто пʼятдесят пʼять
Vietnamesehai mươi mốt nghìn một trăm năm mươi lăm
Calculation was done in 0.0245120525 seconds

Miscellaneous

Number 21155 reversed55112
Unicode CharacterU+52A3
Unix TimestampThu, 01 Jan 1970 05:52:35 +0000
Calculation was done in 0.0000388622 seconds
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