Interesting Number Part 1

 

Some numbers has its own facts. In this Posting you will find out about numbers that has facts. I call it Facts of  Interseting Number (Part 1).

Interesting Number #1 is 66

 

This interesting number is 66.

66 is a triangular number.

1, 3, 6, 10, 15 ,21, 28, 36, 45, 55, 66

The factors of 66 are 1, 2, 3, 6, 11, 22, 33 and 66.

66 in Roman numerals is expressed as LXVI.

66 is 1000010 in binary.

66 is the atomic number of dysprosium, a landthanide

66 is the international dialling code of Thailand.

Route 66, a famous highway in the USA.

1966 was the last and only time England won the football World Cup

 

(See also : What is Equations?)

Interesting Number #2 is 56

 

This interesting number is 56.

56 is the sum of the first six triangular numbers.

1 + 3 + 6 + 10 + 15 + 21

56 is the sum of the six prime numbers.

3 + 5 + 7 + 11 + 13 + 17

The factors of 56 are 1, 2, 4, 7, 8, 14, 28 and 56.

56 in Roman numerals is expressed as LVI.

56 is 111 000 in binary.

56 spectators died in the Bradford City football stadium fire on 11 May 1985.

56 is the atomic number of Barium.

56 is the international dialling code of Chile.

Shirley Temple (US child actress) had 56 curls in her hair.

56 men signed the US Declaration of Independence in 1776.

Steve Jobs died aged 56.

 

Interesting Number # 3 is 54

 

This interesting number is 54.

54 is a Leyland number. 54 can be written as the sum of three squares in three different ways:

7² + 2² + 1² = 6² + 3² + 3² = 5² + 5² + 2² = 54.

It is the smallest number with this property.

The factors of 54 are 1, 2, 3, 6, 9, 18, 27 and 54.

There are 54 countries in Africa.

54 in Roman numerals is expressed as LIV.

54 is 110110 in binary.

54 is the atomic number of Xenon.

A score of 54 in golf is colloquially referred to as a perfect round.

This score has never been achieved in competition.

54 is the international dialling code of Argentina.

 

Interesting Number #4 is 38

 

This interesting number is 38.

38 is the sum of the squares of the first three primes.

38 is the largest even number that cannot be written as the sum of two odd composite numbers.

The factors of 38 are 1, 2, 19 and 38

38 in Roman numerals is expressed as XXXVIII

38 is 100110 in binary.

38 is the atomic number of Strontium.

38 is the number of games of football played by each team, each season in the EPL (English Premier League) and La Liga (Spain).

38 is the number of slots on an American roulette wheel. (1 to 36, 0, 00)

 

Interesting Number # 5 is 45

 

This interesting number is 45.

45 is a triangular number, and in particular the sum of all the decimal digits

(0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45)

The factors of 45 are 1, 3, 5, 9, 15 and 45

45 in Roman numerals is expressed as XLV

45 is 101101 in binary.

45 is the atomic number of Rhodium.

There are 45 degrees in half of a right angle.

+45 is the telephone dialing code for Denmark.

A football game consists of two halves of 45 minutes each.

World War Two ended in 1945.

 

Interesting Number #7 is 59

 

This interesting number is 59.

59 is the 17th prime number.

The factors of 59 are 1 and 59

59 in Roman numerals is expressed as LIX

59 is 111011 in binary.

59 is the atomic number of Praseodymium.

A 59 sided polygon is called a nonogon

Beethoven’s Opus59 consists of the three so-called Razumovsky Quartets

The 1960s song “59^th" Street Bridge Song (Feelin’ Groovy)” was a big hit for Simon and Garfunkel

59 is apporoximately the number of days in 2 lunar months.

In the USA the Interstate 59 runs between Minnesota and Texas.

59 is the lowest recorded golf score on the womens’ LPGA tour by Annika Sorenstam.

 

Interesting Number #8 is 9

 

This interesting number is 9.

9 is a composite number.

The factors of 9 are 1, 3 and 9

9 is a perfect square (32).

9 in Roman numerals is expressed as IX

9 is 1001 in binary.

9 is the atomic number of Flourine.

A 9 sided polygon is called a nonogon

 

Interesting Number # 9 is 27

 

This interesting number is 27.

The factors of 27 are 1, 3, 9, and 27

27 is a perfect cube (33).

27 in Roman numerals is expressed as XXVII.

27 is 11011 in binary.

27 is the atomic number of Cobalt.

27 is the only positive integer that is three times the sum of its digits.

Dark matter is thought to make up 27% of the universe.

27 is the number of letters in the Spanish alphabet.

 

Interesting Number # 10 is 30

 

This interesting number is 30.

The factors of 30 are 1, 2, 3, 5, 6, 10, 15 and 30

30 is the number of tracks on the Beatles’ famous The White Album.

30 in Roman numerals is expressed as XXX.

30 is 11110 in binary.

30 is the atomic number of Zinc

The Platonic solids, the dodecahedron and the icosahedron both have 30 faces

30 years of marriage is called the pearl anniversary.

 

  >>> Continue to Part 2

 

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