21018
Number 21018 is an even five-digits composite number and natural number following 21017 and preceding 21019.
| Nominal | 21018 |
| Cardinal | twenty-one thousand eighteen |
Cardinal twenty-one thousand eighteen |
| Ordinal | 21,018th |
| Number of digits | 5 |
| Sum of digits | 12 |
| Product of digits | 0 |
| Number parity | Even |
Calculation was done in 0.0000360012 seconds
| Prime factorization | 2 x 3 x 31 x 113 |
| Prime factors | 2, 3, 31, 113 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 149 |
| Product of prime factors | 21018 |
Calculation was done in 0.0000181198 seconds
| List of proper divisors | 1, 2, 3, 6, 31, 62, 93, 113, 186, 226, 339, 678, 3503, 7006, 10509 |
| List of all dividers | 1, 2, 3, 6, 31, 62, 93, 113, 186, 226, 339, 678, 3503, 7006, 10509, 21018 |
| Number of divisors d(n) | 16 |
| Sum of all divisors σ(n) | 43776 |
| Aliquot sum | 22758 |
| 21018 is an abundant number , because the sum of its proper divisors (22758) is greater than itself. Its abundance is 1740. |
Calculation was done in 0.0000219345 seconds
| Is 21018 a prime number? | No |
| Is 21018 a semiprime number? | No |
| Is 21018 a Chen prime number? | No |
| Is 21018 a Mersenne prime number? | No |
Calculation was done in 0.0053100586 seconds
| Is 21018 a Catalan number? | No |
| Is 21018 a Fibonacci number? | No |
| Is 21018 a Idoneal number? | No |
Calculation was done in 0.0000050068 seconds
| 21018 is a Happy number |
| 21018 is not a Humble number |
| 21018 is not a Münchhausen number |
| 21018 is not a Perfect number |
| 21018 is not a Perfect square |
| 21018 is not a Palindrome |
Calculation was done in 0.0030047894 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1010010000110102 |
| 3 | Ternary | 10012111103 |
| 4 | Quaternary | 110201224 |
| 5 | Quinary | 11330335 |
| 6 | Senary | 2411506 |
| 7 | Septenary | 1151647 |
| 8 | Octal | 510328 |
| 9 | Nonary | 317439 |
| 10 | Decimal | 21018 |
| 12 | Duodecimal | 101b612 |
| 16 | Hexadecimal | 521a16 |
| 20 | Vigesimal | 2cai20 |
| 36 | Base36 | g7u36 |
| 60 | Sexagesimal | 5oI60 |
Calculation was done in 0.0000190735 seconds
| Square of 21018 (n2) | 441756324 |
| Cube of 21018 (n3) | 9284834417832 |
| Square root of 21018 | 144.97586005953 |
| Natural Logarithm (ln) of 21018 | 9.9531344924255 |
| Decimal Logarithm (log) of 21018 | 4.3225913877013 |
Calculation was done in 0.0000040531 seconds
| Sine of 21018 | 0.67808021699423 |
| Cosecant of 21018 | 1.4747517696841 |
| Cosine of 21018 | 0.73498790420051 |
| Secant of 21018 | 1.3605666083549 |
| Tangent of 21018 | 0.92257330102842 |
| Cotangent of 21018 | 1.0839247124161 |
Calculation was done in 0.0000090599 seconds
Is 21018 an Even Number?
Yes, the number 21018 is an even number.
Is 21018 an Odd Number?
No
Previous even number is
21016Next even number is
21020
Calculation was done in 0.0000040531 seconds
| The spelling of 21018 in words is "twenty-one thousand eighteen", meaning that: |
| 21018 is not an aban number (as it contains the letter a) |
| 21018 is not an eban number (as it contains the letter e) |
| 21018 is not an iban number (as it contains the letter i) |
| 21018 is not an oban number (as it contains the letter o) |
| 21018 is not a tban number (as it contains the letter t) |
| 21018 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000019073 seconds
| Bengali numerals | ২১০১৮ |
| Eastern Arabic numerals | ٢١٬٠١٨ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓎆𓐁 |
| Khmer numerals | ២១០១៨ |
| Japanese numerals | 二万千十八 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๐๑๘ |
Calculation was done in 0.0000751019 seconds
| Arabic | واحد و عشرون ألف و ثمانية عشر |
| Croatian | dvadeset i jedna tisuća osamnaest |
| Czech | dvacet jedna tisíc osmnáct |
| Danish | en og tyve tusinde og atten |
| Dutch | éénentwintigduizend achttien |
| Estonian | akpe blaeve vɔ ɖekɛ kple wuienyi |
| Faroese | tjúgoeitt tusin og átjan |
| Filipino | dalawáng pû’t isáng libó’t labíng-waló |
| Finnish | kaksikymmentäyksituhattakahdeksantoista |
| French | vingt et un mille dix-huit |
| Greek | είκοσι μία χίλιάδες δεκαοκτώ |
| German | einundzwanzigtausendachtzehn |
| Hebrew | עשרים ואחד אלף ושמונה עשרה |
| Hindi | इक्कीस हज़ार अठारह |
| Hungarian | huszonegyezertizennyolc |
| Icelandic | tuttugu og eitt þúsund og átján |
| Indonesian | dua puluh satu ribu delapan belas |
| Italian | ventunomiladiciotto |
| Japanese | 二万千十八 |
| Korean | 이만 천십팔 |
| Latvian | divdesmit viens tūkstoši astoņpadsmit |
| Lithuanian | dvidešimt vienas tūkstantis aštuoniolika |
| Norwegian | tjueett tusen og atten |
| Persian | بیست و یک هزار و هجده |
| Polish | dwadzieścia jeden tysięcy osiemnaście |
| Portuguese | vinte e um mil e dezoito |
| Romanian | douăzeci şi una mii optsprezece |
| Russian | двадцать одна тысяча восемнадцать |
| Serbian | двадесет и једна хиљада осамнаест |
| Slovak | dvadsaťjedna tisíc osemnásť |
| Slovene | dvaset ena tisuću asemnajst |
| Spanish | veintiún mil dieciocho |
| Swahili | elfu ishirini na moja, kumi na nane |
| Swedish | tjugoentusenarton |
| Thai | สองหมื่นหนึ่งพันสิบแปด |
| Turkish | yirmi bir bin on sekiz |
| Ukrainian | двадцять одна тисяча вісімнадцять |
| Vietnamese | hai mươi mốt nghìn không trăm mười tám |
Calculation was done in 0.0140919685 seconds
| Number 21018 reversed | 81012 |
| Unicode Character | U+521A | 刚 |
| Unix Timestamp | Thu, 01 Jan 1970 05:50:18 +0000 |
Calculation was done in 0.0000250340 seconds
This page was generated in 0.02 seconds.