4
Number 4 (four) is an even digit composite number and natural number following 3 and preceding 5.
| Nominal | 4 |
| Cardinal | four |
| Ordinal | 4th |
| Number of digits | 1 |
| Sum of digits | 4 |
| Product of digits | 4 |
| Number parity | Even |
Calculation was done in 0.0000400543 seconds
| Prime factorization | 2 x 2 |
| Prime factorization in exponent form | 22 |
| Prime factors | 2 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 2 |
| Product of prime factors | 2 |
Calculation was done in 0.0000081062 seconds
| List of proper divisors | 1, 2 |
| List of all dividers | 1, 2, 4 |
| Number of divisors d(n) | 3 |
| Sum of all divisors σ(n) | 7 |
| Aliquot sum | 3 |
| 4 is a deficient number , since it is larger than the sum of its proper divisors (3). Its deficiency is 1. |
Calculation was done in 0.0000238419 seconds
| Is 4 a prime number? | No |
| Is 4 a semiprime number? | Yes |
| Is 4 a Chen prime number? | No |
| Is 4 a Mersenne prime number? | No |
Calculation was done in 0.0000140667 seconds
| Is 4 a Catalan number? | No |
| Is 4 a Fibonacci number? | No |
| Is 4 a Idoneal number? | Yes: I3 |
Calculation was done in 0.0000050068 seconds
| 4 is not a Happy number |
| 4 is a Humble number |
| 4 is not a Münchhausen number |
| 4 is not a Perfect number |
| 4 is a Perfect square |
| 4 is a Palindrome |
Calculation was done in 0.0049278736 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1002 |
| 3 | Ternary | 113 |
| 4 | Quaternary | 104 |
| 5 | Quinary | 45 |
| 6 | Senary | 46 |
| 7 | Septenary | 47 |
| 8 | Octal | 48 |
| 9 | Nonary | 49 |
| 10 | Decimal | 4 |
| 12 | Duodecimal | 412 |
| 16 | Hexadecimal | 416 |
| 20 | Vigesimal | 420 |
| 36 | Base36 | 436 |
| 60 | Sexagesimal | 460 |
Calculation was done in 0.0000150204 seconds
| Square of 4 (n2) | 16 |
| Cube of 4 (n3) | 64 |
| Square root of 4 | 2 |
| Natural Logarithm (ln) of 4 | 1.3862943611199 |
| Decimal Logarithm (log) of 4 | 0.60205999132796 |
Calculation was done in 0.0000050068 seconds
| Sine of 4 | -0.75680249530793 |
| Cosecant of 4 | -1.3213487088109 |
| Cosine of 4 | -0.65364362086361 |
| Secant of 4 | -1.5298856564664 |
| Tangent of 4 | 1.1578212823496 |
| Cotangent of 4 | 0.86369115445062 |
Calculation was done in 0.0000119209 seconds
Is 4 an Even Number?
Yes, the number 4 is an even number.
Previous even number is
2
Calculation was done in 0.0000040531 seconds
| The spelling of 4 in words is "four", meaning that: |
| 4 is an aban number (a number without the letter a) |
| 4 is an eban number (a number without the letter e) |
| 4 is an iban number (a number without the letter i) |
| 4 is not an oban number (as it contains the letter o) |
| 4 is a tban number (a number without the letter t) |
| 4 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000028610 seconds
| Bengali numerals | ৪ |
| Eastern Arabic numerals | ٤ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓏽 |
| Khmer numerals | ៤ |
| Japanese numerals | 四 |
| Roman numerals | IV |
| Thai numerals | ๔ |
Calculation was done in 0.0000679493 seconds
| Arabic | أربعة |
| Croatian | četiri |
| Czech | čtyři |
| Danish | fire |
| Dutch | vier |
| Estonian | ene |
| Faroese | fýre |
| Filipino | ápat |
| Finnish | neljä |
| French | quatre |
| Greek | τέσσερα |
| German | vier |
| Hebrew | ארבע |
| Hindi | चार |
| Hungarian | négy |
| Icelandic | fjórir |
| Indonesian | empat |
| Italian | quattro |
| Japanese | 四 |
| Korean | 사 |
| Latvian | četri |
| Lithuanian | keturi |
| Norwegian | fire |
| Persian | چهار |
| Polish | cztery |
| Portuguese | quatro |
| Romanian | patru |
| Russian | четыре |
| Serbian | четири |
| Slovak | štyri |
| Slovene | štiri |
| Spanish | cuatro |
| Swahili | nne |
| Swedish | fyra |
| Thai | สี่ |
| Turkish | dört |
| Ukrainian | чотири |
| Vietnamese | bốn |
Calculation was done in 0.0137209892 seconds
| Number 4 reversed | 4 |
| ASCII Code | 4 | |
| Unicode Character | U+0004 | |
| Unix Timestamp | Thu, 01 Jan 1970 00:00:04 +0000 |
Calculation was done in 0.0000250340 seconds
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