1218
Number 1218: Properties, Factors, and Mathematical Facts
Short answer
The number 1218 is an even composite number with 16 positive divisors. Its prime factorization is 2 × 3 × 7 × 29. It is also an abundant number, which gives it several notable mathematical relationships.
Is 1218 prime?
ClassificationCompositeParityEvenDivisor count16AbundanceAbundant
What is the prime factorization of 1218?
Prime factorization
2 times 3 times 7 times 29
What are the divisors of 1218?
Divisor count
16
Divisor sum
2,880
Proper divisor sum
1,662
- 1
- 2
- 3
- 6
- 7
- 14
- 21
- 29
- 42
- 58
- 87
- 174
- 203
- 406
- 609
- 1218
How is 1218 classified?
How is 1218 represented in other numeral systems?
Decimal
1218
Binary
10011000010
Octal
2302
Hexadecimal
4C2
Roman
MCCXVIIILearn more →
In words
one thousand two hundred eighteen
Roots and powers
Square root
34.899857 Approximate
Cube root
10.679455 Approximate
Nearest lower square
1156
Nearest higher square
1225
Nearest lower cube
1000
Nearest higher cube
1331
What are the digit properties of 1218?
Which numbers are related to 1218?
Why these results are true
- 1218 is composite because it has positive divisors other than 1 and itself.
- 1218 is abundant because the sum of its proper divisors (1662) is greater than 1218.
Compare this number
FAQ for 1218
- Is 1218 prime?
- No
- What is the prime factorization of 1218?
- 2 × 3 × 7 × 29
- Is 1218 a perfect square?
- No
- What is 1218 in binary?
- 10011000010
- What is 1218 in Roman numerals?
- MCCXVIII