Numbers (or mathematical figures) are never used promiscuously in the Bible, but rather take on spiritual meaning and significance; and for the searcher after truth there is found "the treasures of wisdom and knowledge" (Proverbs 25:2).
All creation is stamped with the "Seal of God" in numerics. God has made man himself a creature of time and therefore, a creature of number. Therefore, it is consistent with the very nature and being of God that His Book, the Holy Bible, should be stamped with this same "Seal" - Biblical numerics.
God is consistent throughout His Book, and though the Bible was written by various men of God over different periods of time and generations, there is manifest throughout all the Bible, the same marvelous meaning and harmony in the use of numbers. This begins in Genesis and flows through each book and consummates in Revelation. All this confirms the fact of Divine Inspiration (II Timothy 3:16, II Peter 1:21).
The simple numbers of 1 through 13 have spiritual significance Multiples of these numbers, or doubling and tripling, carry basically the same meaning only intensifying the truth. It is important to note that the first use of a number in scripture generally conveys its spiritual meaning throughout the rest of the passage.
Since God is consistent, the meaning of a number in the book of Genesis remains the same all the way to the book of Revelation. Sometimes the spiritual significance of a number is not always stated; it may be hidden or seen by comparison with other scriptures. Finally, since there is good and evil as well as true and counterfeit, both Godly and Satanic aspects can be seen in numbers.
