THE SEVENTEENTH GENERATION:
Reu lived 32 years and begat Serug.  (Genesis 11:20)
Reu lived 207 years after he begat Serug (239 years) and begat sons and daughters.  (Genesis 11:21)
The age of the world was 1827 when Serug was born.  ​(Genesis 1:24-31, 5:3,6,9,12,15,18,21,25,28, 7:6,11, 9:28, 29, 11:12, 14, 16, 18, 20)