#43 Consecutive sums
set by Katie Steckles
Consecutive numbers are ones that follow on from each other in order, like 2, 3, 4 and 5. We can create certain numbers by adding together runs of consecutive numbers, e.g. 1 + 2 + 3 = 6 or 14 + 15 = 29.
Can you write 14 as a sum of two or more consecutive positive numbers?
Which numbers below 20 cannot be written in this way, and is there a pattern?
Solution next week
#42 Persistence
Solution
The persistence of 77 is 4 and its root is 8: 77⭢49⭢36⭢18⭢8.
The smallest number…
