42
Number 42 (forty-two) is an even two-digits composite number and natural number following 41 and preceding 43.
| Nominal | 42 |
| Cardinal | forty-two |
| Ordinal | 42nd |
| Number of digits | 2 |
| Sum of digits | 6 |
| Product of digits | 8 |
| Number parity | Even |
Calculation was done in 0.0000350475 seconds
| Prime factorization | 2 x 3 x 7 |
| Prime factors | 2, 3, 7 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 3 |
| Sum of prime factors | 12 |
| Product of prime factors | 42 |
Calculation was done in 0.0000090599 seconds
| List of proper divisors | 1, 2, 3, 6, 7, 14, 21 |
| List of all dividers | 1, 2, 3, 6, 7, 14, 21, 42 |
| Number of divisors d(n) | 8 |
| Sum of all divisors σ(n) | 96 |
| Aliquot sum | 54 |
| 42 is an abundant number , because the sum of its proper divisors (54) is greater than itself. Its abundance is 12. |
Calculation was done in 0.0000228882 seconds
| Is 42 a prime number? | No |
| Is 42 a semiprime number? | No |
| Is 42 a Chen prime number? | No |
| Is 42 a Mersenne prime number? | No |
Calculation was done in 0.0000109673 seconds
| Is 42 a Catalan number? | Yes: C5 |
| Is 42 a Fibonacci number? | No |
| Is 42 a Idoneal number? | Yes: I24 |
Calculation was done in 0.0000038147 seconds
| 42 is not a Happy number |
| 42 is a Humble number |
| 42 is not a Münchhausen number |
| 42 is not a Perfect number |
| 42 is not a Perfect square |
| 42 is not a Palindrome |
Calculation was done in 0.0044090748 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1010102 |
| 3 | Ternary | 11203 |
| 4 | Quaternary | 2224 |
| 5 | Quinary | 1325 |
| 6 | Senary | 1106 |
| 7 | Septenary | 607 |
| 8 | Octal | 528 |
| 9 | Nonary | 469 |
| 10 | Decimal | 42 |
| 12 | Duodecimal | 3612 |
| 16 | Hexadecimal | 2a16 |
| 20 | Vigesimal | 2220 |
| 36 | Base36 | 1636 |
| 60 | Sexagesimal | g60 |
Calculation was done in 0.0000171661 seconds
| Square of 42 (n2) | 1764 |
| Cube of 42 (n3) | 74088 |
| Square root of 42 | 6.4807406984079 |
| Natural Logarithm (ln) of 42 | 3.7376696182834 |
| Decimal Logarithm (log) of 42 | 1.6232492903979 |
Calculation was done in 0.0000040531 seconds
| Sine of 42 | -0.91652154791563 |
| Cosecant of 42 | -1.0910818215613 |
| Cosine of 42 | -0.39998531498835 |
| Secant of 42 | -2.5000917846925 |
| Tangent of 42 | 2.2913879924375 |
| Cotangent of 42 | 0.43641670607527 |
Calculation was done in 0.0000109673 seconds
Is 42 an Even Number?
Yes, the number 42 is an even number.
Previous even number is
40
Calculation was done in 0.0000038147 seconds
| The spelling of 42 in words is "forty-two", meaning that: |
| 42 is an aban number (a number without the letter a) |
| 42 is an eban number (a number without the letter e) |
| 42 is an iban number (a number without the letter i) |
| 42 is not an oban number (as it contains the letter o) |
| 42 is not a tban number (as it contains the letter t) |
| 42 is an uban number (a number without the letter u) |
Calculation was done in 0.0000019073 seconds
| Bengali numerals | ৪২ |
| Eastern Arabic numerals | ٤٢ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓎉𓏻 |
| Khmer numerals | ៤២ |
| Japanese numerals | 四十二 |
| Roman numerals | XLII |
| Thai numerals | ๔๒ |
Calculation was done in 0.0000650883 seconds
| Arabic | إثنان و أربعون |
| Croatian | četrdeset i dva |
| Czech | čtyřicet dva |
| Danish | to og fyrre |
| Dutch | tweeenveertig |
| Estonian | blaene vɔ eve |
| Faroese | fýratitveir |
| Filipino | ápat na pû’t dalawá |
| Finnish | neljäkymmentäkaksi |
| French | quarante-deux |
| Greek | σαράντα δύο |
| German | zweiundvierzig |
| Hebrew | ארבעים ושתיים |
| Hindi | बयालीस |
| Hungarian | negyvenkettő |
| Icelandic | fjörutíu og tveir |
| Indonesian | empat puluh dua |
| Italian | quarantadue |
| Japanese | 四十二 |
| Korean | 사십이 |
| Latvian | četrdesmit divi |
| Lithuanian | keturiasdešimt du |
| Norwegian | førtito |
| Persian | چهل و دو |
| Polish | czterdzieści dwa |
| Portuguese | quarenta e dois |
| Romanian | patruzeci şi doi |
| Russian | сорок два |
| Serbian | четрдесет и два |
| Slovak | štyridsaťdva |
| Slovene | štirideset dva |
| Spanish | cuarenta y dos |
| Swahili | arobaini na mbili |
| Swedish | fyrtiotvå |
| Thai | สี่สิบสอง |
| Turkish | kırk iki |
| Ukrainian | сорок два |
| Vietnamese | bốn mươi hai |
Calculation was done in 0.0135600567 seconds
| Number 42 reversed | 24 |
| ASCII Code | 42 | * |
| Unicode Character | U+002A | * |
| Unix Timestamp | Thu, 01 Jan 1970 00:00:42 +0000 |
Calculation was done in 0.0000319481 seconds
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