# 13399

## 13,399 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 13399 look like?

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

13399 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 13399:

### 13399

See below for interesting mathematical facts about the number 13399 from the Numbermatics database.

### Names of 13399

• Cardinal: 13399 can be written as Thirteen thousand, three hundred ninety-nine.

### Scientific notation

• Scientific notation: 1.3399 × 104

### Factors of 13399

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13399

### Divisors of 13399

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 13400
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13399 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13398

### Bases of 13399

• Binary: 110100010101112
• Base-36: AC7

### Squares and roots of 13399

• 13399 squared (133992) is 179533201
• 13399 cubed (133993) is 2405565360199
• The square root of 13399 is 115.7540496051
• The cube root of 13399 is 23.7514865183

### Scales and comparisons

How big is 13399?
• 13,399 seconds is equal to 3 hours, 43 minutes, 19 seconds.
• To count from 1 to 13,399 would take you about three hours.

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 13399 cubic inches would be around 2 feet tall.

### Recreational maths with 13399

• 13399 backwards is 99331
• The number of decimal digits it has is: 5
• The sum of 13399's digits is 25
• More coming soon!