221
Number 221 (two hundred twenty-one) is an odd three-digits composite number and natural number following 220 and preceding 222.
| Nominal | 221 |
| Cardinal | two hundred twenty-one |
Cardinal two hundred twenty-one |
| Ordinal | 221st |
| Number of digits | 3 |
| Sum of digits | 5 |
| Product of digits | 4 |
| Number parity | Odd |
Calculation was done in 0.0000400543 seconds
| Prime factorization | 13 x 17 |
| Prime factors | 13, 17 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 30 |
| Product of prime factors | 221 |
Calculation was done in 0.0000190735 seconds
| List of proper divisors | 1, 13, 17 |
| List of all dividers | 1, 13, 17, 221 |
| Number of divisors d(n) | 4 |
| Sum of all divisors σ(n) | 252 |
| Aliquot sum | 31 |
| 221 is a deficient number , since it is larger than the sum of its proper divisors (31). Its deficiency is 190. |
Calculation was done in 0.0000150204 seconds
| Is 221 a prime number? | No |
| Is 221 a semiprime number? | Yes |
| Is 221 a Chen prime number? | No |
| Is 221 a Mersenne prime number? | No |
Calculation was done in 0.0000388622 seconds
| Is 221 a Catalan number? | No |
| Is 221 a Fibonacci number? | No |
| Is 221 a Idoneal number? | No |
Calculation was done in 0.0000050068 seconds
| 221 is not a Happy number |
| 221 is not a Humble number |
| 221 is not a Münchhausen number |
| 221 is not a Perfect number |
| 221 is not a Perfect square |
| 221 is not a Palindrome |
Calculation was done in 0.0065119267 seconds
| Base | System | Value |
|---|
| 2 | Binary | 110111012 |
| 3 | Ternary | 220123 |
| 4 | Quaternary | 31314 |
| 5 | Quinary | 13415 |
| 6 | Senary | 10056 |
| 7 | Septenary | 4347 |
| 8 | Octal | 3358 |
| 9 | Nonary | 2659 |
| 10 | Decimal | 221 |
| 12 | Duodecimal | 16512 |
| 16 | Hexadecimal | dd16 |
| 20 | Vigesimal | b120 |
| 36 | Base36 | 6536 |
| 60 | Sexagesimal | 3f60 |
Calculation was done in 0.0000190735 seconds
| Square of 221 (n2) | 48841 |
| Cube of 221 (n3) | 10793861 |
| Square root of 221 | 14.866068747319 |
| Natural Logarithm (ln) of 221 | 5.3981627015178 |
| Decimal Logarithm (log) of 221 | 2.3443922736851 |
Calculation was done in 0.0000050068 seconds
| Sine of 221 | 0.88593879787876 |
| Cosecant of 221 | 1.1287461418264 |
| Cosine of 221 | 0.46380216301042 |
| Secant of 221 | 2.1560917127019 |
| Tangent of 221 | 1.9101653000675 |
| Cotangent of 221 | 0.52351490206877 |
Calculation was done in 0.0000100136 seconds
Is 221 an Odd Number?
Yes, the number 221 is an odd number.
Total number of all odd numbers from 1 to 221 is
111Sum of all the odd numbers from 1 to 221 are
12321The sum of all odd numbers is a perfect square: 12321 = 111
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
219
Calculation was done in 0.0000059605 seconds
| The spelling of 221 in words is "two hundred twenty-one", meaning that: |
| 221 is an aban number (a number without the letter a) |
| 221 is not an eban number (as it contains the letter e) |
| 221 is an iban number (a number without the letter i) |
| 221 is not an oban number (as it contains the letter o) |
| 221 is not a tban number (as it contains the letter t) |
| 221 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000030994 seconds
| Bengali numerals | ২২১ |
| Eastern Arabic numerals | ٢٢١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓍣𓎇𓏺 |
| Khmer numerals | ២២១ |
| Japanese numerals | 二百二十一 |
| Roman numerals | CCXXI |
| Thai numerals | ๒๒๑ |
Calculation was done in 0.0000708103 seconds
| Arabic | مائتان و واحد و عشرون |
| Croatian | dvjesto dvadeset i jedan |
| Czech | dvě stě dvacet jeden |
| Danish | to hundrede en og tyve |
| Dutch | tweehonderdéénentwintig |
| Estonian | alafa eve blaeve vɔ ɖekɛ |
| Faroese | tveyhundraðogtjúgoein |
| Filipino | dalawáng daán at dalawáng pû’t isá |
| Finnish | kaksisataakaksikymmentäyksi |
| French | deux cent vingt et un |
| Greek | διακόσια είκοσι ένα |
| German | zweihunderteinundzwanzig |
| Hebrew | מאתיים עשרים ואחת |
| Hindi | दो सौ इक्कीस |
| Hungarian | kétszázhuszonegy |
| Icelandic | tvöhundrað og tuttugu og einn |
| Indonesian | dua ratus dua puluh satu |
| Italian | duecentoventuno |
| Japanese | 二百二十一 |
| Korean | 이백이십일 |
| Latvian | divsimt divdesmit viens |
| Lithuanian | du šimtai dvidešimt vienas |
| Norwegian | to hundre og tjueén |
| Persian | دویست و بیست و یک |
| Polish | dwieście dwadzieścia jeden |
| Portuguese | duzentos e vinte e um |
| Romanian | două sute douăzeci şi unu |
| Russian | двести двадцать один |
| Serbian | двеста двадесет и један |
| Slovak | dvesto dvadsaťjeden |
| Slovene | dvjesto dvaset ena |
| Spanish | doscientos veintiuno |
| Swahili | mia mbili na ishirini na moja |
| Swedish | tvåhundratjugoen |
| Thai | สองร้อยยี่สิบเอ็ด |
| Turkish | iki yüz yirmi bir |
| Ukrainian | двісті двадцять один |
| Vietnamese | hai trăm hai mươi mốt |
Calculation was done in 0.0138449669 seconds
| Number 221 reversed | 122 |
| ASCII Code | 221 | Ý |
| Unicode Character | U+00DD | Ý |
| Hexadecimal color (shorthand) | #222211 | |
| Unix Timestamp | Thu, 01 Jan 1970 00:03:41 +0000 |
Calculation was done in 0.0000259876 seconds
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