About the Number 67 (sixty-seven)

This nBAB was created on the 67th anniversary of the bombing of Pearl Harbor.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   67 is a natural, whole, integer
   67 is odd
   67 proper divisors are: 1,
   67 is deficient (sum of divisors is 1)
   67 is unhappy
   67 is not a Harshad number
   67 is prime
   ...Cousin prime with 71
   ...Sexy prime with 73
   ...Sexy prime with 61
   ...OEIS:002145 (4n+3; n=16)
   ...Super
   ...Left-truncatable
   ...prime triplet {67, 71, 73}
   67 is undulating
   67 in octal is 0103
   67 in hexadecimal is 0x43
   67 in binary is 1000011 (is odious)
   67 nearest square numbers: -3...14 (64 [8]...81 [9])
   sqrt(67) = 8.18535
   ln(67) = 4.20469
   log(67) = 1.82607
   67 reciprocal is .01492537313432835820895522388059
   67! is 3.64711e+94
   67 is 21.3268 Pi years
   67 is 3 score and 7 years

67 written as a Roman numeral is LXVII.

[Wikipedia tidbit] 67 is the sum of five consecutive primes (7+11+13+17+19).

RoadHacker drove on US Hwy-67 in Texas.

Added the song title "Old '67 to Songs With Numbers In Their Titles.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 07 December 2008

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This work is licensed under a Creative Commons Attribution 3.0 United States License.