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

`written as a Roman numeral is`

67`.`

LXVII

`[Wikipedia tidbit]`

`is the sum of five consecutive primes (7+11+13+17+19).`

67RoadHacker drove on US Hwy-67 in Texas.

Added the song title "Old '

`to Songs With Numbers In Their Titles.`

67

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 07 December 2008

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