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Short Description: A Numerical Brainteaser Birthday Gift for Steve Jobs. (Aziz S. Inan, Ph.D., Electrical Engineering, University of Portland, Portland, Oregon). (February 23, 2012) ...
Content Inside: A Numerical Brainteaser Birthday Gift for Steve Jobs (Aziz S. Inan, Ph.D., Electrical Engineering, University of Portland, Portland, Oregon) (February 23, 2012) Steve Jobs was born on February 24, 1955 (2-24-1955 or simply, 2241955) and died on October 5, 2011 (10052011), at age 56. He was a computer entrepreneur and inventor. He founded Apple Inc. with two of his colleagues on April 1st, 1976 (4011976). As is well known, his inventions had a huge impact on the technological environment we live in today. In memory of him on his first (57th) birthday after his death last year, I put together this numerical brainteaser birthday gift for him: 1. Steve's birth day February 24th represented by 224 (February 24th) equals four times 56, his death age. Also, the digits of his full birth date 2241955 add up to 28, which is half of 56. 2. Interestingly enough, in a leap year (e.g., 2012), his birth day (224) and death day (1005) are apart by 224 calendar days. 3. If Steve's birth year 1955 is split as 1 and 955, 9 x 5 x 5 1 = 224! Also, the product of the digits of 1955 equals the square of 15 where 15 = 10 + 05, where 10 and 05 put together side-by-side makes 1005, Steve's death day! 4. The product of the digits of Steve's full birth day 2241955 equals the product of the squares of three consecutive numbers 9 x 16 x 25, which reminds us of Pythagoras. 5. If Steve's birthday 2241955 is split into numbers 2, 24, 19, and 55, these four numbers add up to 100. In addition, if number 2241955 is split as 224 and 1955, their sum is 2179 where 21 and 79 add up to 100! Interestingly enough note that 2179 is the 327th prime where 327 equals 3 times 109, where 3 and 109 add up to 112 and twice 112 yields 224! (Also, the product of 32 and 7 which make up 327 is 224!) Also, prime 1297 can be obtained from 2179 by switching the positions of its leftmost two digits and the positions of its rightmost two digits and amazingly, 1297 happens to be the 211th prime where double reverse of 211 is again 224! 6. Also, the digits of the 224th prime number given by 1423 add up to 10 the square of which is 100. Also, the cubes of the digits of 1423 add up to 100! 7. If 1423 is split as 14 and 23, 14 times 23 equals 322 the reverse of which is 223 which correspond to the number of days between Steve's birth and death days in a non-leap year. Also, 14 times reverse of 23 yields 448 which equal twice 224, Steve's birth day! Also, if 1423 is split as 1 and 423, their difference yields 422 which is the reverse of 224! 8. If the digits of Steve's full birthday 2241955 are numbered from one to seven, eliminating the even-numbered digits yield number 2495 the reverse of which equals twice 2971 and the reverse of 2971 equals eight times 224 where eight is the sum of the digits of 224. Unbelievable! Also, switching the places of digits 7 and 1 in 2971 yields 2917 which is the 422nd prime where 422 is reverse of 224! 9. If letters in the English alphabet are assigned numbers as A = 1, B = 2, ..., and Z = 26, the numbers assigned to the letters of the word "Apple" add up to 50 which is half of 100. (The letters of "Apple, Inc." add up to 76 which correspond to the rightmost two digits of 1976. It also