2001
Number 2001 is an odd four-digits composite number and natural number following 2000 and preceding 2002.
| Nominal | 2001 |
| Cardinal | two thousand one |
Cardinal two thousand one |
| Ordinal | 2,001st |
| Number of digits | 4 |
| Sum of digits | 3 |
| Product of digits | 0 |
| Number parity | Odd |
Calculation was done in 0.0000488758 seconds
| Prime factorization | 3 x 23 x 29 |
| Prime factors | 3, 23, 29 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 3 |
| Sum of prime factors | 55 |
| Product of prime factors | 2001 |
Calculation was done in 0.0000100136 seconds
| List of proper divisors | 1, 3, 23, 29, 69, 87, 667 |
| List of all dividers | 1, 3, 23, 29, 69, 87, 667, 2001 |
| Number of divisors d(n) | 8 |
| Sum of all divisors σ(n) | 2880 |
| Aliquot sum | 879 |
| 2001 is a deficient number , since it is larger than the sum of its proper divisors (879). Its deficiency is 1122. |
Calculation was done in 0.0000200272 seconds
| Is 2001 a prime number? | No |
| Is 2001 a semiprime number? | No |
| Is 2001 a Chen prime number? | No |
| Is 2001 a Mersenne prime number? | No |
Calculation was done in 0.0007169247 seconds
| Is 2001 a Catalan number? | No |
| Is 2001 a Fibonacci number? | No |
| Is 2001 a Idoneal number? | No |
Calculation was done in 0.0000069141 seconds
| 2001 is not a Happy number |
| 2001 is not a Humble number |
| 2001 is not a Münchhausen number |
| 2001 is not a Perfect number |
| 2001 is not a Perfect square |
| 2001 is not a Palindrome |
Calculation was done in 0.0100288391 seconds
| Base | System | Value |
|---|
| 2 | Binary | 111110100012 |
| 3 | Ternary | 22020103 |
| 4 | Quaternary | 1331014 |
| 5 | Quinary | 310015 |
| 6 | Senary | 131336 |
| 7 | Septenary | 55567 |
| 8 | Octal | 37218 |
| 9 | Nonary | 26639 |
| 10 | Decimal | 2001 |
| 12 | Duodecimal | 11a912 |
| 16 | Hexadecimal | 7d116 |
| 20 | Vigesimal | 50120 |
| 36 | Base36 | 1jl36 |
| 60 | Sexagesimal | XL60 |
Calculation was done in 0.0000228882 seconds
| Square of 2001 (n2) | 4004001 |
| Cube of 2001 (n3) | 8012006001 |
| Square root of 2001 | 44.73253849269 |
| Natural Logarithm (ln) of 2001 | 7.6014023345837 |
| Decimal Logarithm (log) of 2001 | 3.3012470886362 |
Calculation was done in 0.0000059605 seconds
| Sine of 2001 | 0.19329594012556 |
| Cosecant of 2001 | 5.1734143994459 |
| Cosine of 2001 | -0.98114049938374 |
| Secant of 2001 | -1.0192220182819 |
| Tangent of 2001 | -0.19701147822047 |
| Cotangent of 2001 | -5.0758463873914 |
Calculation was done in 0.0000159740 seconds
Is 2001 an Even Number?
No
Is 2001 an Odd Number?
Yes, the number 2001 is an odd number.
Total number of all odd numbers from 1 to 2001 is
1001Sum of all the odd numbers from 1 to 2001 are 1002001
The sum of all odd numbers is a perfect square: 1002001 = 1001
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
1999
Calculation was done in 0.0000081062 seconds
| The spelling of 2001 in words is "two thousand one", meaning that: |
| 2001 is not an aban number (as it contains the letter a) |
| 2001 is not an eban number (as it contains the letter e) |
| 2001 is an iban number (a number without the letter i) |
| 2001 is not an oban number (as it contains the letter o) |
| 2001 is not a tban number (as it contains the letter t) |
| 2001 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000030994 seconds
| Bengali numerals | ২০০১ |
| Eastern Arabic numerals | ٢٬٠٠١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆼𓆼𓏺 |
| Khmer numerals | ២០០១ |
| Japanese numerals | 二千一 |
| Roman numerals | MMI |
| Thai numerals | ๒๐๐๑ |
Calculation was done in 0.0001108646 seconds
| Arabic | ألفين و واحد |
| Croatian | dvije tisuće jedan |
| Czech | dvě tisíce jeden |
| Danish | to tusinde en |
| Dutch | tweeduizend en één |
| Estonian | akpe eve kple ɖeka |
| Faroese | tvey tusin og ein |
| Filipino | dalawáng libó’t isá |
| Finnish | kaksituhattayksi |
| French | deux mille un |
| Greek | δύο χίλιάδες ένα |
| German | zweitausendeins |
| Hebrew | אלפיים ואחת |
| Hindi | दो हज़ार एक |
| Hungarian | kétezeregy |
| Icelandic | tvö þúsund og einn |
| Indonesian | dua ribu satu |
| Italian | duemilauno |
| Japanese | 二千一 |
| Korean | 이천일 |
| Latvian | divtūkstoš viens |
| Lithuanian | du tūkstančiai vienas |
| Norwegian | to tusen og én |
| Persian | دو هزار و یک |
| Polish | dwa tysiące jeden |
| Portuguese | dois mil e um |
| Romanian | două mii unu |
| Russian | две тысячи один |
| Serbian | две хиљада један |
| Slovak | dve tisíc jeden |
| Slovene | dvije tisuće ena |
| Spanish | dos mil uno |
| Swahili | elfu mbili, moja |
| Swedish | tvåtusenen |
| Thai | สองพันหนึ่ง |
| Turkish | iki bin bir |
| Ukrainian | дві тисячі один |
| Vietnamese | hai nghìn không trăm lẻ một |
Calculation was done in 0.0241031647 seconds
| Number 2001 reversed | 1002 |
| Unicode Character | U+07D1 | ߑ |
| Unix Timestamp | Thu, 01 Jan 1970 00:33:21 +0000 |
Calculation was done in 0.0000309944 seconds
This page was generated in 0.04 seconds.