# 2131

## 2,131 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 2131 look like?

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

2131 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 2131:

### 2131

See below for interesting mathematical facts about the number 2131 from the Numbermatics database.

### Names of 2131

• Cardinal: 2131 can be written as Two thousand, one hundred thirty-one.

### Scientific notation

• Scientific notation: 2.131 × 103

### Factors of 2131

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2131

### Divisors of 2131

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 2132
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2131 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2130

### Bases of 2131

• Binary: 1000010100112
• Base-36: 1N7

### Squares and roots of 2131

• 2131 squared (21312) is 4541161
• 2131 cubed (21313) is 9677214091
• The square root of 2131 is 46.1627555503
• The cube root of 2131 is 12.8684967315

### Scales and comparisons

How big is 2131?
• 2,131 seconds is equal to 35 minutes, 31 seconds.
• To count from 1 to 2,131 would take you about thirty-five 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 2131 cubic inches would be around 1.1 feet tall.

### Recreational maths with 2131

• 2131 backwards is 1312
• The number of decimal digits it has is: 4
• The sum of 2131's digits is 7
• More coming soon!