# 1105

## 1,105 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1105 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

1105 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 1105:

### 5 × 13 × 17

See below for interesting mathematical facts about the number 1105 from the Numbermatics database.

### Names of 1105

• Cardinal: 1105 can be written as One thousand, one hundred five.

### Scientific notation

• Scientific notation: 1.105 × 103

### Factors of 1105

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 35

### Divisors of 1105

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1512
• Sum of proper divisors (its aliquot sum) s(n): 407
• 1105 is a deficient number, because the sum of its proper divisors (407) is less than itself. Its deficiency is 698

### Bases of 1105

• Binary: 100010100012
• Base-36: UP

### Squares and roots of 1105

• 1105 squared (11052) is 1221025
• 1105 cubed (11053) is 1349232625
• The square root of 1105 is 33.2415402771
• The cube root of 1105 is 10.3384181241

### Scales and comparisons

How big is 1105?
• 1,105 seconds is equal to 18 minutes, 25 seconds.
• To count from 1 to 1,105 would take you about eighteen 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 1105 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1105

• 1105 backwards is 5011
• The number of decimal digits it has is: 4
• The sum of 1105's digits is 7
• More coming soon!