What was Szayel Aporro Grantz number

Szayel is number 8 The order is this: 1: Stark 2: Barragon Luisenbarn 3: Tia Hallibel 4: Ulqiuorra Shiffer 5: Nnoitra Jiruga 6: Grimmjow Jaegerjaques 7: Zommari Leroux 8: Szayel Aporro Grantz 9: Aarionerio Arruruierie 10/0: Yammy