About the Number 667 (six hundred sixty-seven)

@nanofoo received the following tweet from @StoweBoyd on 2011.03.07.

   The average smartphone owner spends 667 minutes 
   a month using apps http://sto.ly/fFdpXJ

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   667 is a natural, whole, integer
   667 is odd
   667 proper divisors are: 1,23,29,
   667 is deficient (sum of divisors is 53)
   667 is unhappy
   667 is not a Harshad number
   667 is not prime
   667 has the prime factors: 23*29 (sum=52)
   667 is semiprime (biprime or 2-almost prime)
   667 sum of prime factors is: 52
   667 in octal is 01233
   667 in hexadecimal is 0x29b
   667 in binary is 1010011011 (is evil)
   667 nearest square numbers: -42...9 (625...676 [26])
   sqrt(667) = 25.8263
   ln(667) = 6.50279
   log(667) = 2.82413
   667 reciprocal is .00149925037481259370314842578710
   667 is an apocalyptic power
   667! is 6.74092e+1595
   667 is 212.313 Pi years
   667 is 33 score and 7 years
   667 written as a Roman numeral is DCLXVII
   667 = 334^2 - 333^2 and 334 + 333 = 667

log11(667) = 2.71187, which when rounded to the nearest hundredth equals e (2.7182818284590) truncated to two-decimal digits.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 07 March 2011

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