87
Number 87 (eighty-seven) is an odd two-digits composite number and natural number following 86 and preceding 88.
Nominal | 87 |
Cardinal | eighty-seven |
Ordinal | 87th |
Number of digits | 2 |
Sum of digits | 15 |
Product of digits | 56 |
Number parity | Odd |
Calculation was done in 0.0000259876 seconds
Prime factorization | 3 x 29 |
Prime factors | 3, 29 |
Number of distinct prime factors ω(n) | 2 |
Total number of prime factors Ω(n) | 2 |
Sum of prime factors | 32 |
Product of prime factors | 87 |
Calculation was done in 0.0000078678 seconds
List of proper divisors | 1, 3, 29 |
List of all dividers | 1, 3, 29, 87 |
Number of divisors d(n) | 4 |
Sum of all divisors σ(n) | 120 |
Aliquot sum | 33 |
87 is a deficient number , since it is larger than the sum of its proper divisors (33). Its deficiency is 54. |
Calculation was done in 0.0000212193 seconds
Is 87 a prime number? | No |
Is 87 a semiprime number? | Yes |
Is 87 a Chen prime number? | No |
Is 87 a Mersenne prime number? | No |
Calculation was done in 0.0000138283 seconds
Is 87 a Catalan number? | No |
Is 87 a Fibonacci number? | No |
Is 87 a Idoneal number? | No |
Calculation was done in 0.0000040531 seconds
87 is not a Happy number |
87 is not a Humble number |
87 is not a Münchhausen number |
87 is not a Perfect number |
87 is not a Perfect square |
87 is not a Palindrome |
Calculation was done in 0.0059111118 seconds
Base | System | Value |
---|
2 | Binary | 10101112 |
3 | Ternary | 100203 |
4 | Quaternary | 11134 |
5 | Quinary | 3225 |
6 | Senary | 2236 |
7 | Septenary | 1537 |
8 | Octal | 1278 |
9 | Nonary | 1069 |
10 | Decimal | 87 |
12 | Duodecimal | 7312 |
16 | Hexadecimal | 5716 |
20 | Vigesimal | 4720 |
36 | Base36 | 2f36 |
60 | Sexagesimal | 1R60 |
Calculation was done in 0.0000169277 seconds
Square of 87 (n2) | 7569 |
Cube of 87 (n3) | 658503 |
Square root of 87 | 9.3273790530888 |
Natural Logarithm (ln) of 87 | 4.4659081186546 |
Decimal Logarithm (log) of 87 | 1.9395192526186 |
Calculation was done in 0.0000050068 seconds
Sine of 87 | -0.82181783663082 |
Cosecant of 87 | -1.2168146703893 |
Cosine of 87 | 0.56975033426531 |
Secant of 87 | 1.7551547403469 |
Tangent of 87 | -1.4424174716642 |
Cotangent of 87 | -0.69328056519325 |
Calculation was done in 0.0000100136 seconds
Is 87 an Odd Number?
Yes, the number 87 is an odd number.
Total number of all odd numbers from 1 to 87 is
44Sum of all the odd numbers from 1 to 87 are
1936The sum of all odd numbers is a perfect square: 1936 = 44
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
85
Calculation was done in 0.0000059605 seconds
The spelling of 87 in words is "eighty-seven", meaning that: |
87 is an aban number (a number without the letter a) |
87 is not an eban number (as it contains the letter e) |
87 is not an iban number (as it contains the letter i) |
87 is an oban number (a number without the letter o) |
87 is not a tban number (as it contains the letter t) |
87 is an uban number (a number without the letter u) |
Calculation was done in 0.0000019073 seconds
Bengali numerals | ৮৭ |
Eastern Arabic numerals | ٨٧ |
Hieroglyphs numeralsused in Ancient Egypt | 𓎍𓐀 |
Khmer numerals | ៨៧ |
Japanese numerals | 八十七 |
Roman numerals | LXXXVII |
Thai numerals | ๘๗ |
Calculation was done in 0.0000631809 seconds
Arabic | سبعة و ثمانون |
Croatian | osamdeset i sedam |
Czech | osmdesát sedm |
Danish | syv og firs |
Dutch | zevenentachtig |
Estonian | blaenyi vɔ adre |
Faroese | áttatisjey |
Filipino | walóng pû’t pitó |
Finnish | kahdeksankymmentäseitsemän |
French | quatre-vingt-sept |
Greek | ογδόντα επτά |
German | siebenundachtzig |
Hebrew | שמונים ושבע |
Hindi | सत्तासी |
Hungarian | nyolcvanhét |
Icelandic | áttatíu og sjó |
Indonesian | delapan puluh tujuh |
Italian | ottantasette |
Japanese | 八十七 |
Korean | 팔십칠 |
Latvian | astoņdesmit septiņi |
Lithuanian | aštuoniasdešimt septyni |
Norwegian | åttisju |
Persian | هشتاد و هفت |
Polish | osiemdziesiąt siedem |
Portuguese | oitenta e sete |
Romanian | optzeci şi şapte |
Russian | восемьдесят семь |
Serbian | осамдесет и седам |
Slovak | osemdesiatsedem |
Slovene | osemdeset sedem |
Spanish | ochenta y siete |
Swahili | themanini na saba |
Swedish | åttiosju |
Thai | แปดสิบเจ็ด |
Turkish | seksen yedi |
Ukrainian | вісімдесят сім |
Vietnamese | tám mươi bảy |
Calculation was done in 0.0138280392 seconds
Number 87 reversed | 78 |
ASCII Code | 87 | W |
Unicode Character | U+0057 | W |
Unix Timestamp | Thu, 01 Jan 1970 00:01:27 +0000 |
Calculation was done in 0.0000369549 seconds
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