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289 (number) - Wikipedia
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Natural number
289 is the natural number following 288 and preceding 290.
- 289 is an odd composite number with only one prime factor.[1]
- 289 is the 9th Friedman number. Friedman numbers are numbers that can be written by using its own digits the exact number of times they show up in the number. This one can be expressed as (8+9)2.[2]
- 289 is a perfect square being equal to 172. It is also the 7th number to only have 3 factors because it is a square of a prime number.
- 289 is the sum of perfect cubes. It is the sum of 13+23+43+63.
- 289 is equivalent to the sum of the first 5 whole numbers to their respective powers. It is equal to 00+11+22+33+44.
Media related to 289 (number) at Wikimedia Commons
Integers −1 0s
100s
200s
300s
400s
500s
600s
700s
800s
900s
1000s
- 100,000
- 1,000,000
- 10,000,000
- 100,000,000
- 1,000,000,000
- 10,000,000,000
- 100,000,000,000
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