#2**-1 **

How many 4-digit palindromes are divisible by 3? I'm trying to figure this one out. I know that if a number is divisible by 3, then the sum of its digits is divisible by 3. All I have done is listed out lots of numbers that work. I haven't developed a nice technique for this yet. All Savers Provider Portal

JeniferdimondNov 12, 2022

#1**-1 **

I'm going to sleep, but I'll leave with the thought that maybe the recurrence relation MyAccountAccess Login

3n+2+5n+2=8(3n+1−5n+1)−15(3n+5n)

Help

JeniferdimondOct 18, 2022