Base 5 has 4 possible final digits
At 1 digits, there were 2 primes, 0 leaders
At 2 digits, there were 4 primes, 0 leaders
At 3 digits, there were 4 primes, 1 leaders
At 4 digits, there were 3 primes, 2 leaders
At 5 digits, there were 1 primes, 1 leaders
In total, in base 5 there were 14 primes and 4 leaders, maxlen=5