# 427

## 427 is an odd composite number composed of two prime numbers multiplied together.

What does the number 427 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

427 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 427:

### 7 × 61

See below for interesting mathematical facts about the number 427 from the Numbermatics database.

### Names of 427

• Cardinal: 427 can be written as Four hundred twenty-seven.

### Scientific notation

• Scientific notation: 4.27 × 102

### Factors of 427

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 68

### Divisors of 427

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 496
• Sum of proper divisors (its aliquot sum) s(n): 69
• 427 is a deficient number, because the sum of its proper divisors (69) is less than itself. Its deficiency is 358

### Bases of 427

• Binary: 1101010112
• Base-36: BV

### Squares and roots of 427

• 427 squared (4272) is 182329
• 427 cubed (4273) is 77854483
• The square root of 427 is 20.6639783197
• The cube root of 427 is 7.5302482125

### Scales and comparisons

How big is 427?
• 427 seconds is equal to 7 minutes, 7 seconds.
• To count from 1 to 427 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 427 cubic inches would be around 0.6 feet tall.

### Recreational maths with 427

• 427 backwards is 724
• The number of decimal digits it has is: 3
• The sum of 427's digits is 13
• More coming soon!