85
Number 85 (eighty-five) is an odd two-digits composite number and natural number following 84 and preceding 86.
| Nominal | 85 |
| Cardinal | eighty-five |
| Ordinal | 85th |
| Number of digits | 2 |
| Sum of digits | 13 |
| Product of digits | 40 |
| Number parity | Odd |
Calculation was done in 0.0000329018 seconds
| Prime factorization | 5 x 17 |
| Prime factors | 5, 17 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 22 |
| Product of prime factors | 85 |
Calculation was done in 0.0000069141 seconds
| List of proper divisors | 1, 5, 17 |
| List of all dividers | 1, 5, 17, 85 |
| Number of divisors d(n) | 4 |
| Sum of all divisors σ(n) | 108 |
| Aliquot sum | 23 |
| 85 is a deficient number , since it is larger than the sum of its proper divisors (23). Its deficiency is 62. |
Calculation was done in 0.0000219345 seconds
| Is 85 a prime number? | No |
| Is 85 a semiprime number? | Yes |
| Is 85 a Chen prime number? | No |
| Is 85 a Mersenne prime number? | No |
Calculation was done in 0.0000140667 seconds
| Is 85 a Catalan number? | No |
| Is 85 a Fibonacci number? | No |
| Is 85 a Idoneal number? | Yes: I33 |
Calculation was done in 0.0000040531 seconds
| 85 is not a Happy number |
| 85 is not a Humble number |
| 85 is not a Münchhausen number |
| 85 is not a Perfect number |
| 85 is not a Perfect square |
| 85 is not a Palindrome |
Calculation was done in 0.0045919418 seconds
| Base | System | Value |
|---|
| 2 | Binary | 10101012 |
| 3 | Ternary | 100113 |
| 4 | Quaternary | 11114 |
| 5 | Quinary | 3205 |
| 6 | Senary | 2216 |
| 7 | Septenary | 1517 |
| 8 | Octal | 1258 |
| 9 | Nonary | 1049 |
| 10 | Decimal | 85 |
| 12 | Duodecimal | 7112 |
| 16 | Hexadecimal | 5516 |
| 20 | Vigesimal | 4520 |
| 36 | Base36 | 2d36 |
| 60 | Sexagesimal | 1P60 |
Calculation was done in 0.0000190735 seconds
| Square of 85 (n2) | 7225 |
| Cube of 85 (n3) | 614125 |
| Square root of 85 | 9.2195444572929 |
| Natural Logarithm (ln) of 85 | 4.4426512564903 |
| Decimal Logarithm (log) of 85 | 1.9294189257143 |
Calculation was done in 0.0000050068 seconds
| Sine of 85 | -0.17607561994859 |
| Cosecant of 85 | -5.6793779870944 |
| Cosine of 85 | -0.98437664339404 |
| Secant of 85 | -1.0158713198965 |
| Tangent of 85 | 0.17887017243877 |
| Cotangent of 85 | 5.590647039502 |
Calculation was done in 0.0000100136 seconds
Is 85 an Odd Number?
Yes, the number 85 is an odd number.
Total number of all odd numbers from 1 to 85 is
43Sum of all the odd numbers from 1 to 85 are
1849The sum of all odd numbers is a perfect square: 1849 = 43
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
83
Calculation was done in 0.0000061989 seconds
| The spelling of 85 in words is "eighty-five", meaning that: |
| 85 is an aban number (a number without the letter a) |
| 85 is not an eban number (as it contains the letter e) |
| 85 is not an iban number (as it contains the letter i) |
| 85 is an oban number (a number without the letter o) |
| 85 is not a tban number (as it contains the letter t) |
| 85 is an uban number (a number without the letter u) |
Calculation was done in 0.0000019073 seconds
| Bengali numerals | ৮৫ |
| Eastern Arabic numerals | ٨٥ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓎍𓏾 |
| Khmer numerals | ៨៥ |
| Japanese numerals | 八十五 |
| Roman numerals | LXXXV |
| Thai numerals | ๘๕ |
Calculation was done in 0.0000779629 seconds
| Arabic | خمسة و ثمانون |
| Croatian | osamdeset i pet |
| Czech | osmdesát pět |
| Danish | fem og firs |
| Dutch | vijfentachtig |
| Estonian | blaenyi vɔ atɔ̃ |
| Faroese | áttatifimm |
| Filipino | walóng pû’t limá |
| Finnish | kahdeksankymmentäviisi |
| French | quatre-vingt-cinq |
| Greek | ογδόντα πέντε |
| German | fünfundachtzig |
| Hebrew | שמונים וחמש |
| Hindi | पचासी |
| Hungarian | nyolcvanöt |
| Icelandic | áttatíu og fimm |
| Indonesian | delapan puluh lima |
| Italian | ottantacinque |
| Japanese | 八十五 |
| Korean | 팔십오 |
| Latvian | astoņdesmit pieci |
| Lithuanian | aštuoniasdešimt penki |
| Norwegian | åttifem |
| Persian | هشتاد و پنج |
| Polish | osiemdziesiąt pięć |
| Portuguese | oitenta e cinco |
| Romanian | optzeci şi cinci |
| Russian | восемьдесят пять |
| Serbian | осамдесет и пет |
| Slovak | osemdesiatpäť |
| Slovene | osemdeset pet |
| Spanish | ochenta y cinco |
| Swahili | themanini na tano |
| Swedish | åttiofem |
| Thai | แปดสิบห้า |
| Turkish | seksen beş |
| Ukrainian | вісімдесят пʼять |
| Vietnamese | tám mươi lăm |
Calculation was done in 0.0141038895 seconds
| Number 85 reversed | 58 |
| ASCII Code | 85 | U |
| Unicode Character | U+0055 | U |
| Unix Timestamp | Thu, 01 Jan 1970 00:01:25 +0000 |
Calculation was done in 0.0000259876 seconds
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