71
Number 71 (seventy-one) is an odd two-digits prime number and natural number following 70 and preceding 72.
| Nominal | 71 |
| Cardinal | seventy-one |
| Ordinal | 71st |
| Number of digits | 2 |
| Sum of digits | 8 |
| Product of digits | 7 |
| Number parity | Odd |
Calculation was done in 0.0000469685 seconds
| Prime factorization | 71 |
| Prime factors | 71 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 71 |
| Product of prime factors | 71 |
Calculation was done in 0.0000119209 seconds
| List of proper divisors | 1 |
| List of all dividers | 1, 71 |
| Number of divisors d(n) | 2 |
| Sum of all divisors σ(n) | 72 |
| Aliquot sum | 1 |
| 71 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 70. |
Calculation was done in 0.0000259876 seconds
| Is 71 a prime number? | Yes |
| Is 71 a semiprime number? | No |
| Is 71 a Chen prime number? | Yes |
| Is 71 a Mersenne prime number? | No |
Calculation was done in 0.0000200272 seconds
| Is 71 a Catalan number? | No |
| Is 71 a Fibonacci number? | No |
| Is 71 a Idoneal number? | No |
Calculation was done in 0.0000040531 seconds
| 71 is not a Happy number |
| 71 is not a Humble number |
| 71 is not a Münchhausen number |
| 71 is not a Perfect number |
| 71 is not a Perfect square |
| 71 is not a Palindrome |
Calculation was done in 0.0062880516 seconds
| Base | System | Value |
|---|
| 2 | Binary | 10001112 |
| 3 | Ternary | 21223 |
| 4 | Quaternary | 10134 |
| 5 | Quinary | 2415 |
| 6 | Senary | 1556 |
| 7 | Septenary | 1317 |
| 8 | Octal | 1078 |
| 9 | Nonary | 789 |
| 10 | Decimal | 71 |
| 12 | Duodecimal | 5b12 |
| 16 | Hexadecimal | 4716 |
| 20 | Vigesimal | 3b20 |
| 36 | Base36 | 1z36 |
| 60 | Sexagesimal | 1B60 |
Calculation was done in 0.0000190735 seconds
| Square of 71 (n2) | 5041 |
| Cube of 71 (n3) | 357911 |
| Square root of 71 | 8.4261497731764 |
| Natural Logarithm (ln) of 71 | 4.2626798770413 |
| Decimal Logarithm (log) of 71 | 1.8512583487191 |
Calculation was done in 0.0000050068 seconds
| Sine of 71 | 0.95105465325437 |
| Cosecant of 71 | 1.0514642839695 |
| Cosine of 71 | -0.30902272816607 |
| Secant of 71 | -3.2360079335737 |
| Tangent of 71 | -3.0776204031934 |
| Cotangent of 71 | -0.32492636160145 |
Calculation was done in 0.0000109673 seconds
Is 71 an Odd Number?
Yes, the number 71 is an odd number.
Total number of all odd numbers from 1 to 71 is
36Sum of all the odd numbers from 1 to 71 are
1296The sum of all odd numbers is a perfect square: 1296 = 36
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
69
Calculation was done in 0.0000059605 seconds
| The spelling of 71 in words is "seventy-one", meaning that: |
| 71 is an aban number (a number without the letter a) |
| 71 is not an eban number (as it contains the letter e) |
| 71 is an iban number (a number without the letter i) |
| 71 is not an oban number (as it contains the letter o) |
| 71 is not a tban number (as it contains the letter t) |
| 71 is an uban number (a number without the letter u) |
Calculation was done in 0.0000019073 seconds
| Bengali numerals | ৭১ |
| Eastern Arabic numerals | ٧١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓎌𓏺 |
| Khmer numerals | ៧១ |
| Japanese numerals | 七十一 |
| Roman numerals | LXXI |
| Thai numerals | ๗๑ |
Calculation was done in 0.0000820160 seconds
| Arabic | واحد و سبعون |
| Croatian | sedamdeset i jedan |
| Czech | sedmdesát jeden |
| Danish | en og halvfjerds |
| Dutch | éénenzeventig |
| Estonian | blaadre vɔ ɖekɛ |
| Faroese | sjeytiein |
| Filipino | pitóng pû’t isá |
| Finnish | seitsemänkymmentäyksi |
| French | soixante et onze |
| Greek | εβδομήντα ένα |
| German | einundsiebzig |
| Hebrew | שבעים ואחת |
| Hindi | इकहत्तर |
| Hungarian | hetvenegy |
| Icelandic | sjötíu og einn |
| Indonesian | tujuh puluh satu |
| Italian | settantuno |
| Japanese | 七十一 |
| Korean | 칠십일 |
| Latvian | septiņdesmit viens |
| Lithuanian | septyniasdešimt vienas |
| Norwegian | syttién |
| Persian | هفتاد و یک |
| Polish | siedemdziesiąt jeden |
| Portuguese | setenta e um |
| Romanian | şaptezeci şi unu |
| Russian | семьдесят один |
| Serbian | седамдесет и један |
| Slovak | sedemdesiatjeden |
| Slovene | sedemdeset ena |
| Spanish | setenta y uno |
| Swahili | sabini na moja |
| Swedish | sjutioen |
| Thai | เจ็ดสิบเอ็ด |
| Turkish | yetmiş bir |
| Ukrainian | сімдесят один |
| Vietnamese | bảy mươi mốt |
Calculation was done in 0.0141611099 seconds
| Number 71 reversed | 17 |
| ASCII Code | 71 | G |
| Unicode Character | U+0047 | G |
| Unix Timestamp | Thu, 01 Jan 1970 00:01:11 +0000 |
Calculation was done in 0.0000321865 seconds
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