8428
Number 8428: Properties, Factors, and Mathematical Facts
Short answer
The number 8428 is an even composite number with 18 positive divisors. Its prime factorization is 2² × 7² × 43. It is also an abundant number, which gives it several notable mathematical relationships.
Is 8428 prime?
ClassificationCompositeParityEvenDivisor count18AbundanceAbundant
What is the prime factorization of 8428?
Prime factorization
2 squared times 7 squared times 43
What are the divisors of 8428?
Divisor count
18
Divisor sum
17,556
Proper divisor sum
9,128
- 1
- 2
- 4
- 7
- 14
- 28
- 43
- 49
- 86
- 98
- 172
- 196
- 301
- 602
- 1204
- 2107
- 4214
- 8428
How is 8428 classified?
How is 8428 represented in other numeral systems?
Decimal
8428
Binary
10000011101100
Octal
20354
Hexadecimal
20EC
Roman
No conventional Roman numeral
In words
eight thousand four hundred twenty eight
Roots and powers
Square root
91.804139 Approximate
Cube root
20.350489 Approximate
Nearest lower square
8281
Nearest higher square
8464
Nearest lower cube
8000
Nearest higher cube
9261
What are the digit properties of 8428?
Which numbers are related to 8428?
Why these results are true
- 8428 is composite because it has positive divisors other than 1 and itself.
- 8428 is abundant because the sum of its proper divisors (9128) is greater than 8428.
Compare this number
FAQ for 8428
- Is 8428 prime?
- No
- What is the prime factorization of 8428?
- 2² × 7² × 43
- Is 8428 a perfect square?
- No
- What is 8428 in binary?
- 10000011101100