Base 19 has 18 possible final digits
At 1 digits, there were 7 primes, 0 leaders
At 2 digits, there were 27 primes, 0 leaders
At 3 digits, there were 65 primes, 4 leaders
At 4 digits, there were 117 primes, 24 leaders
At 5 digits, there were 160 primes, 44 leaders
At 6 digits, there were 165 primes, 57 leaders
At 7 digits, there were 145 primes, 53 leaders
At 8 digits, there were 124 primes, 55 leaders
At 9 digits, there were 90 primes, 39 leaders
At 10 digits, there were 63 primes, 41 leaders
At 11 digits, there were 24 primes, 13 leaders
At 12 digits, there were 12 primes, 5 leaders
At 13 digits, there were 7 primes, 5 leaders
At 14 digits, there were 2 primes, 1 leaders
At 15 digits, there were 2 primes, 2 leaders
In total, in base 19 there were 1010 primes and 343 leaders, maxlen=15