# 3943

## 3,943 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 3943 look like?

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

3943 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 3943:

### 3943

See below for interesting mathematical facts about the number 3943 from the Numbermatics database.

### Names of 3943

• Cardinal: 3943 can be written as Three thousand, nine hundred forty-three.

### Scientific notation

• Scientific notation: 3.943 × 103

### Factors of 3943

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 3943

### Divisors of 3943

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 3944
• Sum of proper divisors (its aliquot sum) s(n): 1
• 3943 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 3942

### Bases of 3943

• Binary: 1111011001112
• Base-36: 31J

### Squares and roots of 3943

• 3943 squared (39432) is 15547249
• 3943 cubed (39433) is 61302802807
• The square root of 3943 is 62.7933117457
• The cube root of 3943 is 15.7982479497

### Scales and comparisons

How big is 3943?
• 3,943 seconds is equal to 1 hour, 5 minutes, 43 seconds.
• To count from 1 to 3,943 would take you about 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 3943 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3943

• 3943 backwards is 3493
• The number of decimal digits it has is: 4
• The sum of 3943's digits is 19
• More coming soon!