# 8147

## 8,147 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 8147 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

8147 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 8147:

### 8147

See below for interesting mathematical facts about the number 8147 from the Numbermatics database.

### Names of 8147

• Cardinal: 8147 can be written as Eight thousand, one hundred forty-seven.

### Scientific notation

• Scientific notation: 8.147 × 103

### Factors of 8147

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 8147

### Divisors of 8147

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 8148
• Sum of proper divisors (its aliquot sum) s(n): 1
• 8147 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 8146

### Bases of 8147

• Binary: 11111110100112
• Base-36: 6AB

### Squares and roots of 8147

• 8147 squared (81472) is 66373609
• 8147 cubed (81473) is 540745792523
• The square root of 8147 is 90.2607334337
• The cube root of 8147 is 20.1217572543

### Scales and comparisons

How big is 8147?
• 8,147 seconds is equal to 2 hours, 15 minutes, 47 seconds.
• To count from 1 to 8,147 would take you about two 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 8147 cubic inches would be around 1.7 feet tall.

### Recreational maths with 8147

• 8147 backwards is 7418
• The number of decimal digits it has is: 4
• The sum of 8147's digits is 20
• More coming soon!