72
Number 72 (seventy-two) is an even two-digits composite number and natural number following 71 and preceding 73.
| Nominal | 72 |
| Cardinal | seventy-two |
| Ordinal | 72nd |
| Number of digits | 2 |
| Sum of digits | 9 |
| Product of digits | 14 |
| Number parity | Even |
Calculation was done in 0.0000338554 seconds
| Prime factorization | 2 x 2 x 2 x 3 x 3 |
| Prime factorization in exponent form | 23 x 32 |
| Prime factors | 2, 3 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 5 |
| Product of prime factors | 6 |
Calculation was done in 0.0000069141 seconds
| List of proper divisors | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 |
| List of all dividers | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 |
| Number of divisors d(n) | 12 |
| Sum of all divisors σ(n) | 195 |
| Aliquot sum | 123 |
| 72 is an abundant number , because the sum of its proper divisors (123) is greater than itself. Its abundance is 51. |
Calculation was done in 0.0000228882 seconds
| Is 72 a prime number? | No |
| Is 72 a semiprime number? | No |
| Is 72 a Chen prime number? | No |
| Is 72 a Mersenne prime number? | No |
Calculation was done in 0.0000119209 seconds
| Is 72 a Catalan number? | No |
| Is 72 a Fibonacci number? | No |
| Is 72 a Idoneal number? | Yes: I31 |
Calculation was done in 0.0000040531 seconds
| 72 is not a Happy number |
| 72 is a Humble number |
| 72 is not a Münchhausen number |
| 72 is not a Perfect number |
| 72 is not a Perfect square |
| 72 is not a Palindrome |
Calculation was done in 0.0080051422 seconds
| Base | System | Value |
|---|
| 2 | Binary | 10010002 |
| 3 | Ternary | 22003 |
| 4 | Quaternary | 10204 |
| 5 | Quinary | 2425 |
| 6 | Senary | 2006 |
| 7 | Septenary | 1327 |
| 8 | Octal | 1108 |
| 9 | Nonary | 809 |
| 10 | Decimal | 72 |
| 12 | Duodecimal | 6012 |
| 16 | Hexadecimal | 4816 |
| 20 | Vigesimal | 3c20 |
| 36 | Base36 | 2036 |
| 60 | Sexagesimal | 1C60 |
Calculation was done in 0.0000250340 seconds
| Square of 72 (n2) | 5184 |
| Cube of 72 (n3) | 373248 |
| Square root of 72 | 8.4852813742386 |
| Natural Logarithm (ln) of 72 | 4.2766661190161 |
| Decimal Logarithm (log) of 72 | 1.8573324964313 |
Calculation was done in 0.0000059605 seconds
| Sine of 72 | 0.25382336276204 |
| Cosecant of 72 | 3.9397476619893 |
| Cosine of 72 | -0.96725058827388 |
| Secant of 72 | -1.0338582494786 |
| Tangent of 72 | -0.26241737750194 |
| Cotangent of 72 | -3.8107232437098 |
Calculation was done in 0.0000147820 seconds
Is 72 an Even Number?
Yes, the number 72 is an even number.
Previous even number is
70
Calculation was done in 0.0000038147 seconds
| The spelling of 72 in words is "seventy-two", meaning that: |
| 72 is an aban number (a number without the letter a) |
| 72 is not an eban number (as it contains the letter e) |
| 72 is an iban number (a number without the letter i) |
| 72 is not an oban number (as it contains the letter o) |
| 72 is not a tban number (as it contains the letter t) |
| 72 is an uban number (a number without the letter u) |
Calculation was done in 0.0000030994 seconds
| Bengali numerals | ৭২ |
| Eastern Arabic numerals | ٧٢ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓎌𓏻 |
| Khmer numerals | ៧២ |
| Japanese numerals | 七十二 |
| Roman numerals | LXXII |
| Thai numerals | ๗๒ |
Calculation was done in 0.0000860691 seconds
| Arabic | إثنان و سبعون |
| Croatian | sedamdeset i dva |
| Czech | sedmdesát dva |
| Danish | to og halvfjerds |
| Dutch | tweeenzeventig |
| Estonian | blaadre vɔ eve |
| Faroese | sjeytitveir |
| Filipino | pitóng pû’t dalawá |
| Finnish | seitsemänkymmentäkaksi |
| French | soixante-douze |
| Greek | εβδομήντα δύο |
| German | zweiundsiebzig |
| Hebrew | שבעים ושתיים |
| Hindi | बहत्तर |
| Hungarian | hetvenkettő |
| Icelandic | sjötíu og tveir |
| Indonesian | tujuh puluh dua |
| Italian | settantadue |
| Japanese | 七十二 |
| Korean | 칠십이 |
| Latvian | septiņdesmit divi |
| Lithuanian | septyniasdešimt du |
| Norwegian | syttito |
| Persian | هفتاد و دو |
| Polish | siedemdziesiąt dwa |
| Portuguese | setenta e dois |
| Romanian | şaptezeci şi doi |
| Russian | семьдесят два |
| Serbian | седамдесет и два |
| Slovak | sedemdesiatdva |
| Slovene | sedemdeset dva |
| Spanish | setenta y dos |
| Swahili | sabini na mbili |
| Swedish | sjutiotvå |
| Thai | เจ็ดสิบสอง |
| Turkish | yetmiş iki |
| Ukrainian | сімдесят два |
| Vietnamese | bảy mươi hai |
Calculation was done in 0.0169920921 seconds
| Number 72 reversed | 27 |
| ASCII Code | 72 | H |
| Unicode Character | U+0048 | H |
| Unix Timestamp | Thu, 01 Jan 1970 00:01:12 +0000 |
Calculation was done in 0.0000319481 seconds
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