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67 (number)

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Title: 67 (number)  
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Subject: List of prime numbers, 68 (number), 66 (number), Pillai prime, 60 (number)
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67 (number)

66 67 68
Cardinal sixty-seven
Ordinal 67th
(sixty-seventh)
Factorization prime
Divisors 1, 67
Roman numeral LXVII
Binary 10000112
Ternary 21113
Quaternary 10034
Quinary 2325
Senary 1516
Octal 1038
Duodecimal 5712
Hexadecimal 4316
Vigesimal 3720
Base 36 1V36

67 (sixty-seven) is the natural number following 66 and preceding 68. It is an odd number.

Contents

  • In mathematics 1
  • In science 2
    • Astronomy 2.1
  • In music 3
  • Other fields 4
  • In sports 5
  • External links 6

In mathematics

Sixty-seven is the 19th prime number (the next is 71), an irregular prime, a lucky prime, the sum of five consecutive primes (7 + 11 + 13 + 17 + 19), and a Heegner number.

Since 18! + 1 is divisible by 67, but 67 is not one more than a multiple of 18, 67 is a Pillai prime.

In science

Astronomy

In music

Other fields

Sixty-seven is:

In sports

External links

  • A short journey involving 67s:
  • http://www.dr-mikes-maths.com/psv/index.html
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