The exact favor need for the next level is governed by the following
favor needed==([rank]*([rank]+1)/2)*100
by rank, this means
Peasant=0
Squire=1
Knight=2
Captain=3
Baron=4
etc

Rank.....Favor...Level....Title(male)....Title(female)
0.............0.......00.......Peasant.........Peasant
1..........100.......06........Squire............Lady
2..........300.......08........Knight...........Dame
3..........600.......10.......Captain.........Amazon
4.........1000......12.........Baron..........Baroness
5.........1500......14.........Count.........Countess
6.........2100......16........Viscount......Comtessa
7.........2800......18.........Marquis......Marquessa
8.........3600......20..........Earl..............Earl
9.........4500......22..........Duke..........Duchess
10........5500......24........Prince..........Princess
11........6600......26........Viceroy........Viceroy
12........7800......28.........Regent........Regent
13........9100......30......Seneschal.....Seneschal