Bob Moore, founder of Bob's Red Mill Natural Foods in Milwaukie, turned 92 on Feb. 15.

Bob is a pioneer in producing high-quality nutritional whole grain foods. The natural food business he founded in 1978 is an Oregon success story that continues to be an inspiration for generations to come.

When I met Bob personally at Bob's Red Mill Whole Grain Store in Milwaukie, I was impressed with his friendly, genuine and humble personality.

To express my appreciation to Bob for all his contributions to make our world a healthier and safer place, I put together the following numerical curiosities as a birthday gift for him:

Bob's birthdate, Feb. 15, coincides with the 46th day of each year and interestingly, 46 multiplied by the difference of its digits, namely 2, equals Bob's new age, 92.

Additionally, 46 plus its reverse, 64, equals 110, the 110th prime number is 601, and twice 601 gives 1202, the reverse of 2021, the year Bob turns 92.

The prime factors of 2021, 43 and 47, are the 14th and 15th prime numbers, and the sum of the reverses of 14 and 15, namely 41 and 51, equals 92.

The two-digit number in the middle of 1929, Bob's birth year, is 92 too.

The sum of the digits of Bob's birthday, 02/15/1929, equals 29 and 29 is the reverse of 92.

The year number of Bob's 92nd birthday, 2021, and his birth year, 1929, have a hidden connection: if 1929 is split as 19 and 29, the sum of the squares of these two numbers yields 1202 and the reverse of 1202 is 2021.

If numbers 1 through 26 are assigned to letters A through Z, the sum of the letter numbers of Bob Moore equals 85 and interestingly, 85 also equals the sum of the squares of the digits of 92.

If Bob's 92nd birthday, 02/15/2021, is split as 02, 15, 20, and 21, the sum of these four numbers equals 58 and 58 is the reverse of 85 (Bob Moore).

Also, 58 equals twice 29 and the reverse of 29 is 92.

Lastly, if Bob's birthday expressed as 02/15/AB in any year 20AB is split as 02, 15, and AB, the sum of the reverses of 02 and 15, namely 20 and 51, plus AB, that is, 71+10A+B, results in his new age in 20AB. For example, in 2021, Bob's new age is 71+21=92.

Thank you for your lifelong commitment to natural and nutritional foods, Bob Moore. I wish you a happy and healthy 92nd birthday!

P.S. My 92-year-old mother Ayse, who currently lives in Istanbul, Turkey, wishes Bob a happy 92nd birthday too. When she was visiting us with my dad some years ago, I took them to Bob's Red Mill Whole Grain Store in Milwaukie and they both had the opportunity to meet Bob.

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*Aziz Inan is a professor teaching in the electrical engineering program of the Donald P. Shiley School of Engineering at the University of Portland and he can be reached at This email address is being protected from spambots. You need JavaScript enabled to view it..*

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