# 111

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

What does the number 111 look like?

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

111 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 111:

### 3 × 37

See below for interesting mathematical facts about the number 111 from the Numbermatics database.

### Names of 111

• Cardinal: 111 can be written as One hundred eleven.

### Scientific notation

• Scientific notation: 1.11 × 102

### Factors of 111

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 40

### Divisors of 111

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 152
• Sum of proper divisors (its aliquot sum) s(n): 41
• 111 is a deficient number, because the sum of its proper divisors (41) is less than itself. Its deficiency is 70

### Bases of 111

• Binary: 11011112
• Base-36: 33

### Squares and roots of 111

• 111 squared (1112) is 12321
• 111 cubed (1113) is 1367631
• The square root of 111 is 10.5356537529
• The cube root of 111 is 4.8058955337

### Scales and comparisons

How big is 111?
• 111 seconds is equal to 1 minute, 51 seconds.
• To count from 1 to 111 would take you about fifty-five seconds.

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 111 cubic inches would be around 0.4 feet tall.

### Recreational maths with 111

• 111 is the same when its digits are reversed! That makes it a palindromic number.
• 111 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 111's digits is 3
• More coming soon!