42 Number Properties & Facts

Forty-Two

Primality

Prime Factorization of 42
21 × 31 × 71
Number of Divisors in 42
8
1, 2, 3, 6, 7, 14, 21, 42
1, 2, 3, 6, 7, 14, 21, 42
Is 42 Prime?
No

Trigonometry

Sine of 42
-0.91652154791563
Cosecant: -1.0910818215613
Cosine of 42
-0.39998531498835
Secant: -2.5000917846925
Tangent of 42
2.2913879924375
Cotangent: 0.43641670607527

Functions

Square of 42
1764
42 × 42 = 1764
Square Root of 42
6.4807406984079
6.48074069840792 = 42
Natural Logarithm (ln) of 42
3.7376696182834
e3.7376696182834 = 42
Decimal Logarithm (log) of 42
1.6232492903979
101.6232492903979 = 42

Numeric Bases

42 in Binary
0b101010
Base 2
42 in Octal
052
Base 8
42 in Hexadecimal
0x2A
Base 16

Sequences

Is 42 a Fibonacci Number?
No
Is 42 a Bell Number?
No
Is 42 a Catalan Number?
Yes: C5
Is 42 a Factorial?
No
Is 42 a Perfect Number?
No

Translations

How do you say 42 in different languages?
Englishforty-two
españolcuarenta y dos
françaisquarante-deux
Deutschzwei­und­vierzig
Nederlandstwee­ën­veertig
русскийсорок два
українськасорок два
Tiếng Việtbốn mươi hai
العربيةإثنان و أربعون
עבריתארבעים ושתיים
हिन्दीबयालीस
中文四十二
日本語四十二
한국어사십이
češtinačtyřicet dva
hrvatskičetrdeset i dva
slovenčinaštyridsať­dva
polskiczterdzieści dwa
Türkçekırk iki
portuguêsquarenta e dois
italianoquaranta­due
svenskafyrtio­två
suomineljä­kymmentä­kaksi
norskførti­to
Filipinoápat na pû’t dalawá
Melayuempat puluh dua
မြန်မာလေးဆယ်နှစ်
Indonesiaempat puluh dua
Kiswahiliarobaini na mbili

Miscellaneous

Number of Significant Figures in 42
2
Hamming Weight of 42
3
Is 42 a Hamming (Regular) Number?
No
Is 42 a Humble Number?
Yes
Is 42 a Polygonal (s < 13) Number?
No
Is 42 a Happy Number?
No
Is 42 a Self Describing Number?
No
Is 42 a Palindrome?
No
Is 42 a Münchhausen Number?
No
Is 42 an Eban Number?
Yes
Is 42 a Pernicious Number?
Yes
Is 42 a Attractive Number?
Yes
Is 42 a Perfect Square?
No
Is 42 a Perfect Power?
No