# 12005

## 12,005 is an odd composite number composed of two prime numbers multiplied together.

What does the number 12005 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

12005 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

## Prime factorization of 12005:

### 5 × 74

(5 × 7 × 7 × 7 × 7)

See below for interesting mathematical facts about the number 12005 from the Numbermatics database.

### Names of 12005

• Cardinal: 12005 can be written as Twelve thousand and five.

### Scientific notation

• Scientific notation: 1.2005 × 104

### Factors of 12005

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 12

### Divisors of 12005

• Number of divisors d(n): 10
• Complete list of divisors:
• Sum of all divisors σ(n): 16806
• Sum of proper divisors (its aliquot sum) s(n): 4801
• 12005 is a deficient number, because the sum of its proper divisors (4801) is less than itself. Its deficiency is 7204

### Bases of 12005

• Binary: 101110111001012
• Hexadecimal: 0x2EE5
• Base-36: 99H

### Squares and roots of 12005

• 12005 squared (120052) is 144120025
• 12005 cubed (120053) is 1730160900125
• The square root of 12005 is 109.5673308975
• The cube root of 12005 is 22.8974641711

### Scales and comparisons

How big is 12005?
• 12,005 seconds is equal to 3 hours, 20 minutes, 5 seconds.
• To count from 1 to 12,005 would take you about three hours.

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 12005 cubic inches would be around 1.9 feet tall.

### Recreational maths with 12005

• 12005 backwards is 50021
• The number of decimal digits it has is: 5
• The sum of 12005's digits is 8
• More coming soon!

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The information we have on file for 12005 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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