# 443

## 443 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 443 look like?

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

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

## Prime factorization of 443:

### 443

See below for interesting mathematical facts about the number 443 from the Numbermatics database.

### Names of 443

• Cardinal: 443 can be written as Four hundred forty-three.

### Scientific notation

• Scientific notation: 4.43 × 102

### Factors of 443

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 443

### Divisors of 443

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 444
• Sum of proper divisors (its aliquot sum) s(n): 1
• 443 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 442

### Bases of 443

• Binary: 1101110112
• Base-36: CB

### Squares and roots of 443

• 443 squared (4432) is 196249
• 443 cubed (4433) is 86938307
• The square root of 443 is 21.0475651799
• The cube root of 443 is 7.6231519305

### Scales and comparisons

How big is 443?
• 443 seconds is equal to 7 minutes, 23 seconds.
• To count from 1 to 443 would take you about three 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 443 cubic inches would be around 0.6 feet tall.

### Recreational maths with 443

• 443 backwards is 344
• The number of decimal digits it has is: 3
• The sum of 443's digits is 11
• More coming soon!