# 1165

## 1,165 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1165 look like?

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

1165 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 1165:

### 5 × 233

See below for interesting mathematical facts about the number 1165 from the Numbermatics database.

### Names of 1165

• Cardinal: 1165 can be written as One thousand, one hundred sixty-five.

### Scientific notation

• Scientific notation: 1.165 × 103

### Factors of 1165

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 238

### Divisors of 1165

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1404
• Sum of proper divisors (its aliquot sum) s(n): 239
• 1165 is a deficient number, because the sum of its proper divisors (239) is less than itself. Its deficiency is 926

### Bases of 1165

• Binary: 100100011012
• Base-36: WD

### Squares and roots of 1165

• 1165 squared (11652) is 1357225
• 1165 cubed (11653) is 1581167125
• The square root of 1165 is 34.1320963317
• The cube root of 1165 is 10.5222506233

### Scales and comparisons

How big is 1165?
• 1,165 seconds is equal to 19 minutes, 25 seconds.
• To count from 1 to 1,165 would take you about nineteen 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 1165 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1165

• 1165 backwards is 5611
• The number of decimal digits it has is: 4
• The sum of 1165's digits is 13
• More coming soon!