Numerology in the Amidah?

Hi,

"The Ashkenazi sages have said that in the first three blessings [of the Amidah] there are 107 words, because they are based on Psalm 29 which contains 91 words, and Isaiah 29:23 [16 words]."

(Tur Orach Chaim 113)

המצפה לישועה,
Mordechai