18021
Number 18021 is an odd five-digits composite number and natural number following 18020 and preceding 18022.
| Nominal | 18021 |
| Cardinal | eighteen thousand twenty-one |
Cardinal eighteen thousand twenty-one |
| Ordinal | 18,021st |
| Number of digits | 5 |
| Sum of digits | 12 |
| Product of digits | 0 |
| Number parity | Odd |
Calculation was done in 0.0000438690 seconds
| Prime factorization | 3 x 6007 |
| Prime factors | 3, 6007 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 6010 |
| Product of prime factors | 18021 |
Calculation was done in 0.0000710487 seconds
| List of proper divisors | 1, 3, 6007 |
| List of all dividers | 1, 3, 6007, 18021 |
| Number of divisors d(n) | 4 |
| Sum of all divisors σ(n) | 24032 |
| Aliquot sum | 6011 |
| 18021 is a deficient number , since it is larger than the sum of its proper divisors (6011). Its deficiency is 12010. |
Calculation was done in 0.0000221729 seconds
| Is 18021 a prime number? | No |
| Is 18021 a semiprime number? | Yes |
| Is 18021 a Chen prime number? | No |
| Is 18021 a Mersenne prime number? | No |
Calculation was done in 0.0298528671 seconds
| Is 18021 a Catalan number? | No |
| Is 18021 a Fibonacci number? | No |
| Is 18021 a Idoneal number? | No |
Calculation was done in 0.0000071526 seconds
| 18021 is a Happy number |
| 18021 is not a Humble number |
| 18021 is not a Münchhausen number |
| 18021 is not a Perfect number |
| 18021 is not a Perfect square |
| 18021 is not a Palindrome |
Calculation was done in 0.0030009747 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1000110011001012 |
| 3 | Ternary | 2202011103 |
| 4 | Quaternary | 101212114 |
| 5 | Quinary | 10340415 |
| 6 | Senary | 2152336 |
| 7 | Septenary | 1033537 |
| 8 | Octal | 431458 |
| 9 | Nonary | 266439 |
| 10 | Decimal | 18021 |
| 12 | Duodecimal | a51912 |
| 16 | Hexadecimal | 466516 |
| 20 | Vigesimal | 251120 |
| 36 | Base36 | dwl36 |
| 60 | Sexagesimal | 50L60 |
Calculation was done in 0.0000269413 seconds
| Square of 18021 (n2) | 324756441 |
| Cube of 18021 (n3) | 5852435823261 |
| Square root of 18021 | 134.24231821598 |
| Natural Logarithm (ln) of 18021 | 9.7992930235183 |
| Decimal Logarithm (log) of 18021 | 4.255778886667 |
Calculation was done in 0.0000050068 seconds
| Sine of 18021 | 0.73423489551648 |
| Cosecant of 18021 | 1.3619619635438 |
| Cosine of 18021 | 0.67889551346721 |
| Secant of 18021 | 1.4729807167128 |
| Tangent of 18021 | 1.0815138426334 |
| Cotangent of 18021 | 0.92462986656287 |
Calculation was done in 0.0000159740 seconds
Is 18021 an Even Number?
No
Is 18021 an Odd Number?
Yes, the number 18021 is an odd number.
Total number of all odd numbers from 1 to 18021 is
9011Sum of all the odd numbers from 1 to 18021 are 81198121
The sum of all odd numbers is a perfect square: 81198121 = 9011
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
18019
Calculation was done in 0.0000078678 seconds
| The spelling of 18021 in words is "eighteen thousand twenty-one", meaning that: |
| 18021 is not an aban number (as it contains the letter a) |
| 18021 is not an eban number (as it contains the letter e) |
| 18021 is not an iban number (as it contains the letter i) |
| 18021 is not an oban number (as it contains the letter o) |
| 18021 is not a tban number (as it contains the letter t) |
| 18021 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000030994 seconds
| Bengali numerals | ১৮০২১ |
| Eastern Arabic numerals | ١٨٬٠٢١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎇𓏺 |
| Khmer numerals | ១៨០២១ |
| Japanese numerals | 一万八千二十一 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๐๒๑ |
Calculation was done in 0.0001409054 seconds
| Arabic | ثمانية عشر ألف و واحد و عشرون |
| Croatian | osamnaest tisuća dvadeset i jedan |
| Czech | osmnáct tisíc dvacet jeden |
| Danish | atten tusinde og en og tyve |
| Dutch | achttienduizend éénentwintig |
| Estonian | akpe wuienyi kple blaeve vɔ ɖekɛ |
| Faroese | átjan tusin og tjúgoein |
| Filipino | labíng-walóng libó’t dalawáng pû’t isá |
| Finnish | kahdeksantoistatuhattakaksikymmentäyksi |
| French | dix-huit mille vingt et un |
| Greek | δεκαοκτώ χίλιάδες είκοσι ένα |
| German | achtzehntausendeinundzwanzig |
| Hebrew | שמונה עשר אלף עשרים ואחת |
| Hindi | अठारह हज़ार इक्कीस |
| Hungarian | tizennyolcezerhuszonegy |
| Icelandic | átján þúsund og tuttugu og einn |
| Indonesian | delapan belas ribu dua puluh satu |
| Italian | diciottomilaventuno |
| Japanese | 一万八千二十一 |
| Korean | 만 팔천이십일 |
| Latvian | astoņpadsmit tūkstoši divdesmit viens |
| Lithuanian | aštuoniolika tūkstančių dvidešimt vienas |
| Norwegian | atten tusen og tjueén |
| Persian | هجده هزار و بیست و یک |
| Polish | osiemnaście tysięcy dwadzieścia jeden |
| Portuguese | dezoito mil e vinte e um |
| Romanian | optsprezece mii douăzeci şi unu |
| Russian | восемнадцать тысяч двадцать один |
| Serbian | осамнаест хиљада двадесет и један |
| Slovak | osemnásť tisíc dvadsaťjeden |
| Slovene | asemnajst tisuću dvaset ena |
| Spanish | dieciocho mil veintiuno |
| Swahili | elfu kumi na nane, ishirini na moja |
| Swedish | artontusentjugoen |
| Thai | หนึ่งหมื่นแปดพันยี่สิบเอ็ด |
| Turkish | on sekiz bin yirmi bir |
| Ukrainian | вісімнадцять тисяч двадцять один |
| Vietnamese | mười tám nghìn không trăm hai mươi mốt |
Calculation was done in 0.0176851749 seconds
| Number 18021 reversed | 12081 |
| Unicode Character | U+4665 | 䙥 |
| Unix Timestamp | Thu, 01 Jan 1970 05:00:21 +0000 |
Calculation was done in 0.0000290871 seconds
This page was generated in 0.05 seconds.