# 43

## 43 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 43 look like?

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

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

## Prime factorization of 43:

### 43

See below for interesting mathematical facts about the number 43 from the Numbermatics database.

### Names of 43

• Cardinal: 43 can be written as Forty-three.

### Scientific notation

• Scientific notation: 4.3 × 101

### Factors of 43

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 43

### Divisors of 43

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 44
• Sum of proper divisors (its aliquot sum) s(n): 1
• 43 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42

### Bases of 43

• Binary: 1010112
• Base-36: 17

### Squares and roots of 43

• 43 squared (432) is 1849
• 43 cubed (433) is 79507
• The square root of 43 is 6.5574385243
• The cube root of 43 is 3.5033980601

### Scales and comparisons

How big is 43?
• A cube with a volume of 43 cubic inches would be around 0.3 feet tall.

### Recreational maths with 43

• 43 backwards is 34
• The number of decimal digits it has is: 2
• The sum of 43's digits is 7
• More coming soon!