# 2165

## 2,165 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2165 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

2165 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 2165:

### 5 × 433

See below for interesting mathematical facts about the number 2165 from the Numbermatics database.

### Names of 2165

• Cardinal: 2165 can be written as Two thousand, one hundred sixty-five.

### Scientific notation

• Scientific notation: 2.165 × 103

### Factors of 2165

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 438

### Divisors of 2165

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 2604
• Sum of proper divisors (its aliquot sum) s(n): 439
• 2165 is a deficient number, because the sum of its proper divisors (439) is less than itself. Its deficiency is 1726

### Bases of 2165

• Binary: 1000011101012
• Base-36: 1O5

### Squares and roots of 2165

• 2165 squared (21652) is 4687225
• 2165 cubed (21653) is 10147842125
• The square root of 2165 is 46.5295604965
• The cube root of 2165 is 12.9365746885

### Scales and comparisons

How big is 2165?
• 2,165 seconds is equal to 36 minutes, 5 seconds.
• To count from 1 to 2,165 would take you about thirty-six minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 2165 cubic inches would be around 1.1 feet tall.

### Recreational maths with 2165

• 2165 backwards is 5612
• The number of decimal digits it has is: 4
• The sum of 2165's digits is 14
• More coming soon!