06284 73951 – three mathematical improbabilities

06284 73951 – three mathematical improbabilities

In the mid 1980s I was living in the beautiful Thameside town of Marlow, Bucks, with the first of my ill-fated wives and very young daughters. Our phone number was 0628 473951. Many years ago it occurred to me that the number was unusual in that each digit occurred only once. Yesterday it occurred to me that there were two other mathematical improbabilities relating to the number. Firstly, the first five digits are all even numbers (zero being c…