1640
Number 1640: Properties, Factors, and Mathematical Facts
Short answer
The number 1640 is an even composite number with 16 positive divisors. Its prime factorization is 2³ × 5 × 41. It is also an abundant number, which gives it several notable mathematical relationships.
Is 1640 prime?
ClassificationCompositeParityEvenDivisor count16AbundanceAbundant
What is the prime factorization of 1640?
Prime factorization
2 cubed times 5 times 41
What are the divisors of 1640?
Divisor count
16
Divisor sum
3,780
Proper divisor sum
2,140
- 1
- 2
- 4
- 5
- 8
- 10
- 20
- 40
- 41
- 82
- 164
- 205
- 328
- 410
- 820
- 1640
How is 1640 classified?
How is 1640 represented in other numeral systems?
Decimal
1640
Binary
11001101000
Octal
3150
Hexadecimal
668
Roman
MDCXLLearn more →
In words
one thousand six hundred forty
Roots and powers
Square root
40.496913 Approximate
Cube root
11.792737 Approximate
Nearest lower square
1600
Nearest higher square
1681
Nearest lower cube
1331
Nearest higher cube
1728
What are the digit properties of 1640?
Which numbers are related to 1640?
Why these results are true
- 1640 is composite because it has positive divisors other than 1 and itself.
- 1640 is abundant because the sum of its proper divisors (2140) is greater than 1640.
Compare this number
FAQ for 1640
- Is 1640 prime?
- No
- What is the prime factorization of 1640?
- 2³ × 5 × 41
- Is 1640 a perfect square?
- No
- What is 1640 in binary?
- 11001101000
- What is 1640 in Roman numerals?
- MDCXL