42
Number 42: Properties, Factors, and Mathematical Facts
Short answer
The number 42 is an even composite number with 8 positive divisors. Its prime factorization is 2 × 3 × 7. It is also an abundant number, which gives it several notable mathematical relationships.
Is 42 prime?
ClassificationCompositeParityEvenDivisor count8AbundanceAbundant
What is the prime factorization of 42?
Prime factorization
2 times 3 times 7
What are the divisors of 42?
Divisor count
8
Divisor sum
96
Proper divisor sum
54
- 1
- 2
- 3
- 6
- 7
- 14
- 21
- 42
How is 42 classified?
How is 42 represented in other numeral systems?
Roots and powers
Square root
6.480741 Approximate
Cube root
3.476027 Approximate
Nearest lower square
36
Nearest higher square
49
Nearest lower cube
27
Nearest higher cube
64
What are the digit properties of 42?
Which numbers are related to 42?
Why these results are true
- 42 is composite because it has positive divisors other than 1 and itself.
- 42 is abundant because the sum of its proper divisors (54) is greater than 42.
Compare this number
FAQ for 42
- Is 42 prime?
- No
- What is the prime factorization of 42?
- 2 × 3 × 7
- Is 42 a perfect square?
- No
- What is 42 in binary?
- 101010
- What is 42 in Roman numerals?
- XLII