1729
Number 1729: Properties, Factors, and Mathematical Facts
Short answer
The number 1729 is an odd composite number with 8 positive divisors. Its prime factorization is 7 × 13 × 19. It is also a deficient number, which gives it several notable mathematical relationships.
Is 1729 prime?
ClassificationCompositeParityOddDivisor count8AbundanceDeficient
What is the prime factorization of 1729?
Prime factorization
7 times 13 times 19
What are the divisors of 1729?
Divisor count
8
Divisor sum
2,240
Proper divisor sum
511
- 1
- 7
- 13
- 19
- 91
- 133
- 247
- 1729
How is 1729 classified?
How is 1729 represented in other numeral systems?
Decimal
1729
Binary
11011000001
Octal
3301
Hexadecimal
6C1
Roman
MDCCXXIXLearn more →
In words
one thousand seven hundred twenty nine
Roots and powers
Square root
41.581246 Approximate
Cube root
12.002314 Approximate
Nearest lower square
1681
Nearest higher square
1764
Nearest lower cube
1728
Nearest higher cube
2197
What are the digit properties of 1729?
Which numbers are related to 1729?
Why these results are true
- 1729 is composite because it has positive divisors other than 1 and itself.
Compare this number
FAQ for 1729
- Is 1729 prime?
- No
- What is the prime factorization of 1729?
- 7 × 13 × 19
- Is 1729 a perfect square?
- No
- What is 1729 in binary?
- 11011000001
- What is 1729 in Roman numerals?
- MDCCXXIX