During May of 2006, GDT turned

`49 years in age`

.49 is an odd 49 is square (7 x 7) 49 is not prime (prime factors are 7 and 7)According to the Wikipedia,

`number 49`

is acentered octagonal numbergiven the following equation.(2n + 1)^{2}Examples...

n = 0: (2(0) + 1)^2 = (0 + 1)^2 = 1 n = 1: (2(1) + 1)^2 = (2 + 1)^2 = 9 n = 2: (2(2) + 1)^2 = (4 + 1)^2 = 25 n = 3: (2(3) + 1)^2 = (6 + 1)^2 = 49The

`49th day of the year`

occurs on February 18th.George W. Bush is the

`43rd`

President of the United States.Alaska became a state in 1956 and it was the

`49th`

State of the Union## Update::2013.12.16

The MBNA (MathBabbler Number Analyst) started checking for

odd square(i.e.centered orthagonal numbers) on 16 December 2013.`is a odd square because it's odd and it's a square number.`

49Lots of functionality was added to the MBNA since this nBAB was created on 28 May 2006.

MathBabbler Number Analyst (MBNA) output: ========================================= 49 is a natural, whole, integer 49 is odd 49 proper divisors are: 1,7, 49 has 2 proper divisors 49 is deficient (sum of divisors is 8; ratio: 0.163265) 49 is happy 49 is not a Squarefree Number: 49, 49 is not a Harshad number 49 is not prime 49 has the prime factors: 7*7 (sum=14) 49 is semiprime (biprime or 2-almost prime) 7...7...answer: 14 49 is undulating 49 and 50 are a Ruth-Aaron pair (distinct prime factors) 49 is a Padovan number(28+21) 49 is a lucky number 49 is powerful 49 is the sum of 3 consecutive primes 49 = 13 + 17 + 19 49 in octal is 061 49 in hexadecimal is 0x31 49 in binary is 110001 (is odious) 49 nearest square numbers: 49 is square (odd square/centered octagonal) sqrt(49) = 7 ln(49) = 3.89182 log(49) = 1.6902 49 is 7^2 49 reciprocal is .02040816326530612244897959183673 49! is 6.08282e+62 49 is 15.5972 Pi years 49 is 2 score and 9 years 49 written as a Roman numeral is XLIX 49 = 25^2 - 24^2 and 25 + 24 = 49

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

**Created:** 28 May 2006

This work is licensed under a Creative Commons License.

RoadHacker has never driven on a road numbered

`49`

.

- Wikipedia.org:: Interstate 49 [Louisiana only]
- Wikipedia.org:: U.S. Route 49 [Piggott, Arkansas/Gulfport, Mississippi]
- HistoricHwy49.com:: Complete Map of Historic Hwy-49 [California]