Why Babble About 81?
On 24 February 2006, Dennis Weaver died at the age of
81.On 24 February 2006, Don Knotts died at the age of
81.[side-bar] On 25 February 2006, Darren McGavin died at the age of
83.For many years, I have predicted my death date to be 18 January 2038. If this holds true, then I will die at the age of
81. { countdowns to special GDT dates} {tombstone}About 81
81 is positive 81 is odd 81 is the opposite of -81 81 prime factorization is 3 3 3 3 (34) 81 is a perfect square (9x9) (92) [perfect square is a number whose square root is an integer] the sum of the digits of 81 equals the sqrt(81) [8+1 = sqrt(81) = 9] 81st day of a non-leap year is on March 22ndWikipedia.org:: 81 (number)
81 + 1equals 82RoadHacker Nanofoo
Interstate 81 passes through Tennessee, Virginia, West Virginia, Maryland, Pennsylvania, New York US Hwy-81 passes through North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, and Texas AZ Hwy-81 existed from 1927-1938 [source: ArizonaRoads.com]Update::2008.12.26
Eartha Kitt died on 25 December 2008 at the age of
81. MathBabbler used Kitt's death to update this nBAB with output obtained from the MBNA (MathBabbler Number Analyst).MathBabbler Number Analyst (MBNA) output: ========================================= 81 is a natural, whole, integer 81 is odd 81 proper divisors are: 1,3,9,27, 81 is deficient (sum of divisors is 40) 81 is unhappy 81 is a Harshad number 81 is not prime 81 is undulating 81 has the prime factors: 3*3*3*3 81 in octal is 0121 81 in hexadecimal is 0x51 81 in binary is 1010001 (is odious) 81 nearest square numbers: 81 is square (81 is square) sqrt(81) = 9 ln(81) = 4.39445 log(81) = 1.90849 81 is 3^4 81 is 9^2 81 reciprocal is .01234567901234567901234567901234 81! is 5.79713e+120 81 is 25.7831 Pi years 81 is 4 score and 1 year 81 written as a Roman numeral is LXXXIMathBabbler was 51 years young with Eartha died. 51 in base-16 is
81in base-10.
Creator: Gerald Thurman
[gthurman@gmail.com]
Created: 27 February 2006