21011
Number 21011 is an odd five-digits prime number and natural number following 21010 and preceding 21012.
| Nominal | 21011 |
| Cardinal | twenty-one thousand eleven |
Cardinal twenty-one thousand eleven |
| Ordinal | 21,011th |
| Number of digits | 5 |
| Sum of digits | 5 |
| Product of digits | 0 |
| Number parity | Odd |
Calculation was done in 0.0000391006 seconds
| Prime factorization | 21011 |
| Prime factors | 21011 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 21011 |
| Product of prime factors | 21011 |
Calculation was done in 0.0008800030 seconds
| List of proper divisors | 1 |
| List of all dividers | 1, 21011 |
| Number of divisors d(n) | 2 |
| Sum of all divisors σ(n) | 21012 |
| Aliquot sum | 1 |
| 21011 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 21010. |
Calculation was done in 0.0000200272 seconds
| Is 21011 a prime number? | Yes |
| Is 21011 a semiprime number? | No |
| Is 21011 a Chen prime number? | Yes |
| Is 21011 a Mersenne prime number? | No |
Calculation was done in 0.0981209278 seconds
| Is 21011 a Catalan number? | No |
| Is 21011 a Fibonacci number? | No |
| Is 21011 a Idoneal number? | No |
Calculation was done in 0.0000069141 seconds
| 21011 is a Happy number |
| 21011 is not a Humble number |
| 21011 is not a Münchhausen number |
| 21011 is not a Perfect number |
| 21011 is not a Perfect square |
| 21011 is not a Palindrome |
Calculation was done in 0.0029768944 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1010010000100112 |
| 3 | Ternary | 10012110123 |
| 4 | Quaternary | 110201034 |
| 5 | Quinary | 11330215 |
| 6 | Senary | 2411356 |
| 7 | Septenary | 1151547 |
| 8 | Octal | 510238 |
| 9 | Nonary | 317359 |
| 10 | Decimal | 21011 |
| 12 | Duodecimal | 101ab12 |
| 16 | Hexadecimal | 521316 |
| 20 | Vigesimal | 2cab20 |
| 36 | Base36 | g7n36 |
| 60 | Sexagesimal | 5oB60 |
Calculation was done in 0.0000200272 seconds
| Square of 21011 (n2) | 441462121 |
| Cube of 21011 (n3) | 9275560624331 |
| Square root of 21011 | 144.95171609884 |
| Natural Logarithm (ln) of 21011 | 9.952801389089 |
| Decimal Logarithm (log) of 21011 | 4.3224467227604 |
Calculation was done in 0.0000050068 seconds
| Sine of 21011 | 0.028329000937401 |
| Cosecant of 21011 | 35.299515228571 |
| Cosine of 21011 | 0.99959865331336 |
| Secant of 21011 | 1.0004015078305 |
| Tangent of 21011 | 0.028340375253107 |
| Cotangent of 21011 | 35.285347885095 |
Calculation was done in 0.0000131130 seconds
Is 21011 an Even Number?
No
Is 21011 an Odd Number?
Yes, the number 21011 is an odd number.
Total number of all odd numbers from 1 to 21011 is
10506Sum of all the odd numbers from 1 to 21011 are 110376036
The sum of all odd numbers is a perfect square: 110376036 = 10506
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
21009
Calculation was done in 0.0000059605 seconds
| The spelling of 21011 in words is "twenty-one thousand eleven", meaning that: |
| 21011 is not an aban number (as it contains the letter a) |
| 21011 is not an eban number (as it contains the letter e) |
| 21011 is an iban number (a number without the letter i) |
| 21011 is not an oban number (as it contains the letter o) |
| 21011 is not a tban number (as it contains the letter t) |
| 21011 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000028610 seconds
| Bengali numerals | ২১০১১ |
| Eastern Arabic numerals | ٢١٬٠١١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓆼𓎆𓏺 |
| Khmer numerals | ២១០១១ |
| Japanese numerals | 二万千十一 |
| Roman numerals | n/a |
| Thai numerals | ๒๑๐๑๑ |
Calculation was done in 0.0001320839 seconds
| Arabic | واحد و عشرون ألف و إحدى عشر |
| Croatian | dvadeset i jedna tisuća jedanaest |
| Czech | dvacet jedna tisíc jedenáct |
| Danish | en og tyve tusinde og elleve |
| Dutch | éénentwintigduizend en elf |
| Estonian | akpe blaeve vɔ ɖekɛ kple wuiɖekɛ |
| Faroese | tjúgoeitt tusin og ellivu |
| Filipino | dalawáng pû’t isáng libó’t labíng-isá |
| Finnish | kaksikymmentäyksituhattayksitoista |
| French | vingt et un mille onze |
| Greek | είκοσι μία χίλιάδες έντεκα |
| German | einundzwanzigtausendelf |
| Hebrew | עשרים ואחד אלף ואחת עשרה |
| Hindi | इक्कीस हज़ार ग्यारह |
| Hungarian | huszonegyezertizenegy |
| Icelandic | tuttugu og eitt þúsund og ellefu |
| Indonesian | dua puluh satu ribu sebelas |
| Italian | ventunomilaundici |
| Japanese | 二万千十一 |
| Korean | 이만 천십일 |
| Latvian | divdesmit viens tūkstoši vienpadsmit |
| Lithuanian | dvidešimt vienas tūkstantis vienuolika |
| Norwegian | tjueett tusen og elleve |
| Persian | بیست و یک هزار و یازده |
| Polish | dwadzieścia jeden tysięcy jedenaście |
| Portuguese | vinte e um mil e onze |
| Romanian | douăzeci şi una mii unsprezece |
| Russian | двадцать одна тысяча одиннадцать |
| Serbian | двадесет и једна хиљада једанаест |
| Slovak | dvadsaťjedna tisíc jedenásť |
| Slovene | dvaset ena tisuću enajst |
| Spanish | veintiún mil once |
| Swahili | elfu ishirini na moja, kumi na moja |
| Swedish | tjugoentusenelva |
| Thai | สองหมื่นหนึ่งพันสิบเอ็ด |
| Turkish | yirmi bir bin on bir |
| Ukrainian | двадцять одна тисяча одинадцять |
| Vietnamese | hai mươi mốt nghìn không trăm mười một |
Calculation was done in 0.0139150620 seconds
| Number 21011 reversed | 11012 |
| Unicode Character | U+5213 | 刓 |
| Unix Timestamp | Thu, 01 Jan 1970 05:50:11 +0000 |
Calculation was done in 0.0000221729 seconds
This page was generated in 0.12 seconds.