80
Number 80 (eighty) is an even two-digits composite number and natural number following 79 and preceding 81.
| Nominal | 80 |
| Cardinal | eighty |
| Ordinal | 80th |
| Number of digits | 2 |
| Sum of digits | 8 |
| Product of digits | 0 |
| Number parity | Even |
Calculation was done in 0.0000631809 seconds
| Prime factorization | 2 x 2 x 2 x 2 x 5 |
| Prime factorization in exponent form | 24 x 5 |
| Prime factors | 2, 5 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 7 |
| Product of prime factors | 10 |
Calculation was done in 0.0000097752 seconds
| List of proper divisors | 1, 2, 4, 5, 8, 10, 16, 20, 40 |
| List of all dividers | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 |
| Number of divisors d(n) | 10 |
| Sum of all divisors σ(n) | 186 |
| Aliquot sum | 106 |
| 80 is an abundant number , because the sum of its proper divisors (106) is greater than itself. Its abundance is 26. |
Calculation was done in 0.0000588894 seconds
| Is 80 a prime number? | No |
| Is 80 a semiprime number? | No |
| Is 80 a Chen prime number? | No |
| Is 80 a Mersenne prime number? | No |
Calculation was done in 0.0000178814 seconds
| Is 80 a Catalan number? | No |
| Is 80 a Fibonacci number? | No |
| Is 80 a Idoneal number? | No |
Calculation was done in 0.0000529289 seconds
| 80 is not a Happy number |
| 80 is a Humble number |
| 80 is not a Münchhausen number |
| 80 is not a Perfect number |
| 80 is not a Perfect square |
| 80 is not a Palindrome |
Calculation was done in 0.0087289810 seconds
| Base | System | Value |
|---|
| 2 | Binary | 10100002 |
| 3 | Ternary | 22223 |
| 4 | Quaternary | 11004 |
| 5 | Quinary | 3105 |
| 6 | Senary | 2126 |
| 7 | Septenary | 1437 |
| 8 | Octal | 1208 |
| 9 | Nonary | 889 |
| 10 | Decimal | 80 |
| 12 | Duodecimal | 6812 |
| 16 | Hexadecimal | 5016 |
| 20 | Vigesimal | 4020 |
| 36 | Base36 | 2836 |
| 60 | Sexagesimal | 1K60 |
Calculation was done in 0.0000228882 seconds
| Square of 80 (n2) | 6400 |
| Cube of 80 (n3) | 512000 |
| Square root of 80 | 8.9442719099992 |
| Natural Logarithm (ln) of 80 | 4.3820266346739 |
| Decimal Logarithm (log) of 80 | 1.9030899869919 |
Calculation was done in 0.0000061989 seconds
| Sine of 80 | -0.99388865392338 |
| Cosecant of 80 | -1.0061489242809 |
| Cosine of 80 | -0.11038724383905 |
| Secant of 80 | -9.059017738119 |
| Tangent of 80 | 9.0036549456071 |
| Cotangent of 80 | 0.11106600664299 |
Calculation was done in 0.0000200272 seconds
Is 80 an Even Number?
Yes, the number 80 is an even number.
Previous even number is
78
Calculation was done in 0.0000050068 seconds
| The spelling of 80 in words is "eighty", meaning that: |
| 80 is an aban number (a number without the letter a) |
| 80 is not an eban number (as it contains the letter e) |
| 80 is not an iban number (as it contains the letter i) |
| 80 is an oban number (a number without the letter o) |
| 80 is not a tban number (as it contains the letter t) |
| 80 is an uban number (a number without the letter u) |
Calculation was done in 0.0000038147 seconds
| Bengali numerals | ৮০ |
| Eastern Arabic numerals | ٨٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓎍 |
| Khmer numerals | ៨០ |
| Japanese numerals | 八十 |
| Roman numerals | LXXX |
| Thai numerals | ๘๐ |
Calculation was done in 0.0001571178 seconds
| Arabic | ثمانون |
| Croatian | osamdeset |
| Czech | osmdesát |
| Danish | firs |
| Dutch | tachtig |
| Estonian | blaenyi |
| Faroese | áttati |
| Filipino | walóng pû |
| Finnish | kahdeksankymmentä |
| French | quatre-vingts |
| Greek | ογδόντα |
| German | achtzig |
| Hebrew | שמונים |
| Hindi | अस्सी |
| Hungarian | nyolcvan |
| Icelandic | áttatíu |
| Indonesian | delapan puluh |
| Italian | ottanta |
| Japanese | 八十 |
| Korean | 팔십 |
| Latvian | astoņdesmit |
| Lithuanian | aštuoniasdešimt |
| Norwegian | åtti |
| Persian | هشتاد |
| Polish | osiemdziesiąt |
| Portuguese | oitenta |
| Romanian | optzeci |
| Russian | восемьдесят |
| Serbian | осамдесет |
| Slovak | osemdesiat |
| Slovene | osemdeset |
| Spanish | ochenta |
| Swahili | themanini |
| Swedish | åttio |
| Thai | แปดสิบ |
| Turkish | seksen |
| Ukrainian | вісімдесят |
| Vietnamese | tám mươi |
Calculation was done in 0.0246951580 seconds
| Number 80 reversed | 08 |
| ASCII Code | 80 | P |
| Unicode Character | U+0050 | P |
| Unix Timestamp | Thu, 01 Jan 1970 00:01:20 +0000 |
Calculation was done in 0.0000309944 seconds
This page was generated in 0.03 seconds.