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20521

Number 20521 is an odd five-digits prime number and natural number following 20520 and preceding 20522.

Properties of the number 20521

Nominal20521
Cardinaltwenty thousand five hundred twenty-one
Cardinal
twenty thousand five hundred twenty-one
Ordinal20,521st
Number of digits5
Sum of digits10
Product of digits0
Number parityOdd
Calculation was done in 0.0000350475 seconds

Prime Factorization of 20521

Prime factorization20521
Prime factors20521
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors20521
Product of prime factors20521
Calculation was done in 0.0017468929 seconds

Divisors of 20521

List of proper divisors 1
List of all dividers1, 20521
Number of divisors d(n)2
Sum of all divisors σ(n)20522
Aliquot sum 1
20521 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 20520.
Calculation was done in 0.0000300407 seconds

Prime numbers

Is 20521 a prime number?Yes
Is 20521 a semiprime number?No
Is 20521 a Chen prime number?Yes
Is 20521 a Mersenne prime number?No
Calculation was done in 0.1083610058 seconds

Sequences

Is 20521 a Catalan number?No
Is 20521 a Fibonacci number?No
Is 20521 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.
20521 is not a Happy number
20521 is not a Humble number
20521 is not a Münchhausen number
20521 is not a Perfect number
20521 is not a Perfect square
20521 is not a Palindrome
Calculation was done in 0.0070858002 seconds

Numeric Bases of 20521

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
2Binary1010000001010012
3Ternary10010110013
4Quaternary110002214
5Quinary11240415
6Senary2350016
7Septenary1135547
8Octal500518
9Nonary311319
10Decimal20521
12Duodecimalba6112
16Hexadecimal502916
20Vigesimal2b6120
36Base36fu136
60Sexagesimal5g160
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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 20521 (n2)421111441
Cube of 20521 (n3)8641627880761
Square root of 20521143.25152704247
Natural Logarithm (ln) of 205219.9292040310408
Decimal Logarithm (log) of 205214.3121985203725
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 205210.11652145387772
Cosecant of 205218.5821105617975
Cosine of 205210.9931881749126
Secant of 205211.0068585442915
Tangent of 205210.11732062143005
Cotangent of 205218.5236507257698
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Number parity

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

Is 20521 an Even Number?

No

Is 20521 an Odd Number?

Yes, the number 20521 is an odd number.
Total number of all odd numbers from 1 to 20521 is 10261
Sum of all the odd numbers from 1 to 20521 are 105288121
The sum of all odd numbers is a perfect square: 105288121 = 10261
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 0.0000078678 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 20521 in words is "twenty thousand five hundred twenty-one", meaning that:
20521 is not an aban number (as it contains the letter a)
20521 is not an eban number (as it contains the letter e)
20521 is not an iban number (as it contains the letter i)
20521 is not an oban number (as it contains the letter o)
20521 is not a tban number (as it contains the letter t)
20521 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 20521 in other number systems?
Bengali numerals২০৫২১
Eastern Arabic numerals٢٠٬٥٢١
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓍦𓎇𓏺
Khmer numerals២០៥២១
Japanese numerals二万五百二十一
Roman numeralsn/a
Thai numerals๒๐๕๒๑
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Translation

How do you say 20521 in 38 different languages?
Arabicعشرون ألف و خمسة مائة و واحد و عشرون
Croatiandvadeset tisuća petsto dvadeset i jedan
Czechdvacet tisíc pět set dvacet jeden
Danish tyve tusinde fem hundrede en og tyve
Dutchtwintigduizend vijfhonderdéénentwintig
Estonianakpe blaeve alafa atɔ̃ blaeve vɔ ɖekɛ
Faroesetjúgo tusin og fimm­hundrað­og­tjúgo­ein
Filipinodalawáng pû libó’t limáng daán at dalawáng pû’t isá
Finnishkaksi­kymmentä­tuhatta­viisi­sataa­kaksi­kymmentä­yksi
Frenchvingt mille cinq cent vingt et un
Greekείκοσι χίλιάδες πεντακόσια είκοσι ένα
Germanzwanzig­tausend­fünf­hundert­ein­und­zwanzig
Hebrewעשרים אלף חמש מאות עשרים ואחת
Hindiबीस हज़ार पाँच सौ इक्कीस
Hungarianhúsz­ezer­öt­száz­huszon­egy
Icelandictuttugu þúsund og fimm­hundrað og tuttugu og einn
Indonesiandua puluh ribu lima ratus dua puluh satu
Italianventimilacinquecentoventuno
Japanese二万五百二十一
Korean이만 오백이십일
Latviandivdesmit tūkstoši piecsimt divdesmit viens
Lithuaniandvidešimt tūkstančių penki šimtai dvidešimt vienas
Norwegiantjue tusen fem hundre og tjue­én
Persianبیست هزار و پانصد و بیست و یک
Polishdwadzieścia tysięcy pięćset dwadzieścia jeden
Portuguesevinte mil quinhentos e vinte e um
Romaniandouăzeci mii cinci sute douăzeci şi unu
Russianдвадцать тысяч пятьсот двадцать один
Serbianдвадесет хиљада петсто двадесет и један
Slovakdvadsať tisíc päť­sto dvadsať­jeden
Slovenedvaset tisuću petsto dvaset ena
Spanish veinte mil quinientos veintiuno
Swahilielfu ishirini, mia tano na ishirini na moja
Swedishtjugotusenfemhundratjugoen
Thaiสอง​หมื่น​ห้า​ร้อย​ยี่​สิบ​เอ็ด
Turkishyirmi bin beş yüz yirmi bir
Ukrainianдвадцять тисяч пʼятсот двадцять один
Vietnamesehai mươi nghìn năm trăm hai mươi mốt
Calculation was done in 0.0156538486 seconds

Miscellaneous

Number 20521 reversed12502
Unicode CharacterU+5029
Unix TimestampThu, 01 Jan 1970 05:42:01 +0000
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