1998
Number 1998: Properties, Factors, and Mathematical Facts
Short answer
The number 1998 is an even composite number with 16 positive divisors. Its prime factorization is 2 × 3³ × 37. It is also an abundant number, which gives it several notable mathematical relationships.
Is 1998 prime?
ClassificationCompositeParityEvenDivisor count16AbundanceAbundant
What is the prime factorization of 1998?
Prime factorization
2 times 3 cubed times 37
What are the divisors of 1998?
Divisor count
16
Divisor sum
4,560
Proper divisor sum
2,562
- 1
- 2
- 3
- 6
- 9
- 18
- 27
- 37
- 54
- 74
- 111
- 222
- 333
- 666
- 999
- 1998
How is 1998 classified?
How is 1998 represented in other numeral systems?
Decimal
1998
Binary
11111001110
Octal
3716
Hexadecimal
7CE
Roman
MCMXCVIIILearn more →
In words
one thousand nine hundred ninety eight
Roots and powers
Square root
44.698993 Approximate
Cube root
12.595009 Approximate
Nearest lower square
1936
Nearest higher square
2025
Nearest lower cube
1728
Nearest higher cube
2197
What are the digit properties of 1998?
Which numbers are related to 1998?
Why these results are true
- 1998 is composite because it has positive divisors other than 1 and itself.
- 1998 is abundant because the sum of its proper divisors (2562) is greater than 1998.
Compare this number
FAQ for 1998
- Is 1998 prime?
- No
- What is the prime factorization of 1998?
- 2 × 3³ × 37
- Is 1998 a perfect square?
- No
- What is 1998 in binary?
- 11111001110
- What is 1998 in Roman numerals?
- MCMXCVIII