The next time my age will be the product of two prime numbers that are adjacent in the sequence of primes is when I am 77.
Just as something cool to think about, 5 and 7 are one less than and one more than 6, respectively. Remember in algebra the product of x-1 and x+1? It's x2-1. Plugging in six for x, we have an alternate way of computing 5 times 7. Six squared is 36, and 36-1=35. Cool, huh?
This formula is actually more handy for computing the squares of numbers without resorting to a calculator or long hand calculations, in my experience. For example, what is 21 squared? It's 20 times 22 plus 1: 440+1 = 441. You can change the 1 to any integer a, and get a formula (x-a)(x+a) = x2-a2. So what is 43 squared? It's 40 times 46 plus 9: 1840+9 = 1849.
* Math is hard. Also, I need a vacation.