# 265

## 265 is an odd composite number composed of two prime numbers multiplied together.

What does the number 265 look like?

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

265 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 265:

### 5 × 53

See below for interesting mathematical facts about the number 265 from the Numbermatics database.

### Names of 265

• Cardinal: 265 can be written as Two hundred sixty-five.

### Scientific notation

• Scientific notation: 2.65 × 102

### Factors of 265

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 58

### Divisors of 265

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 324
• Sum of proper divisors (its aliquot sum) s(n): 59
• 265 is a deficient number, because the sum of its proper divisors (59) is less than itself. Its deficiency is 206

### Bases of 265

• Binary: 1000010012
• Base-36: 7D

### Squares and roots of 265

• 265 squared (2652) is 70225
• 265 cubed (2653) is 18609625
• The square root of 265 is 16.2788205961
• The cube root of 265 is 6.4231582887

### Scales and comparisons

How big is 265?
• 265 seconds is equal to 4 minutes, 25 seconds.
• To count from 1 to 265 would take you about two 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 265 cubic inches would be around 0.5 feet tall.

### Recreational maths with 265

• 265 backwards is 562
• The number of decimal digits it has is: 3
• The sum of 265's digits is 13
• More coming soon!