# 1669

## 1,669 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 1669 look like?

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

1669 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 1669:

### 1669

See below for interesting mathematical facts about the number 1669 from the Numbermatics database.

### Names of 1669

• Cardinal: 1669 can be written as One thousand, six hundred sixty-nine.

### Scientific notation

• Scientific notation: 1.669 × 103

### Factors of 1669

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1669

### Divisors of 1669

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 1670
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1669 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1668

### Bases of 1669

• Binary: 110100001012

### Squares and roots of 1669

• 1669 squared (16692) is 2785561
• 1669 cubed (16693) is 4649101309
• The square root of 1669 is 40.8533964317
• The cube root of 1669 is 11.8618413801

### Scales and comparisons

How big is 1669?
• 1,669 seconds is equal to 27 minutes, 49 seconds.
• To count from 1 to 1,669 would take you about twenty-seven 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 1669 cubic inches would be around 1 feet tall.

### Recreational maths with 1669

• 1669 backwards is 9661
• The number of decimal digits it has is: 4
• The sum of 1669's digits is 22
• More coming soon!