# 47

## 47 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 47 look like?

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

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

## Prime factorization of 47:

### 47

See below for interesting mathematical facts about the number 47 from the Numbermatics database.

### Names of 47

• Cardinal: 47 can be written as Forty-seven.

### Scientific notation

• Scientific notation: 4.7 × 101

### Factors of 47

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 47

### Divisors of 47

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 48
• Sum of proper divisors (its aliquot sum) s(n): 1
• 47 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 46

### Bases of 47

• Binary: 1011112
• Base-36: 1B

### Squares and roots of 47

• 47 squared (472) is 2209
• 47 cubed (473) is 103823
• The square root of 47 is 6.8556546005
• The cube root of 47 is 3.6088260801

### Scales and comparisons

How big is 47?
• A cube with a volume of 47 cubic inches would be around 0.3 feet tall.

### Recreational maths with 47

• 47 backwards is 74
• The number of decimal digits it has is: 2
• The sum of 47's digits is 11
• More coming soon!