# 2399

## 2,399 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 2399 look like?

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

2399 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 2399:

### 2399

See below for interesting mathematical facts about the number 2399 from the Numbermatics database.

### Names of 2399

• Cardinal: 2399 can be written as Two thousand, three hundred ninety-nine.

### Scientific notation

• Scientific notation: 2.399 × 103

### Factors of 2399

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2399

### Divisors of 2399

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 2400
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2399 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2398

### Bases of 2399

• Binary: 1001010111112
• Base-36: 1UN

### Squares and roots of 2399

• 2399 squared (23992) is 5755201
• 2399 cubed (23993) is 13806727199
• The square root of 2399 is 48.9795875853
• The cube root of 2399 is 13.3867992073

### Scales and comparisons

How big is 2399?
• 2,399 seconds is equal to 39 minutes, 59 seconds.
• To count from 1 to 2,399 would take you about thirty-nine 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 2399 cubic inches would be around 1.1 feet tall.

### Recreational maths with 2399

• 2399 backwards is 9932
• The number of decimal digits it has is: 4
• The sum of 2399's digits is 23
• More coming soon!