KDP categories · Top KDP authors
Number Theory (Pure Mathematics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Number Theory (Pure Mathematics, Books), updated Nov 2, 2026: median price $23.34, median 58 reviews, average rating 4.5 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $14.25 – $44.18 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 8% of the parent category Pure Mathematics (743), one of the easier corners under it.
- At $23.34 its median price beats 82% of Books categories, leaving more margin per copy.
- Only 5% of its best sellers are under 90 days old, fewer than in 75% of Books categories: established titles hold the list.
Top 10 Number Theory best sellers
-
A Mathematician's Apology
by G.H. Hardy
- List rank#1
- Price$5.10
- Rating4.2
- Reviews778
-
The Magic of Math: Solving for x and Figuring Out Why
- List rank#2
- Price$1.99
- Rating4.5
- Reviews397
-
Euclid's Elements
by Euclid AU
- List rank#3
- Price$33.66
- Rating4.8
- Reviews1,012
-
A Beginner's Guide to Constructing the Universe: Mathematical Archetypes of Nature, Art, and Science
by Michael S. Schneider
- List rank#4
- Price$10.99
- Rating4.7
- Reviews865
-
-
Love and Math: The Heart of Hidden Reality
by Edward Frenkel
- List rank#6
- Price$12.77
- Rating4.3
- Reviews912
-
Number Theory (Dover Books on Mathematics)
by George E. Andrews
- List rank#7
- Price$15.56
- Rating4.6
- Reviews413
-
The Mathematical Theory of Communication
by Claude E. Shannon
- List rank#8
- Price$28
- Rating4.7
- Reviews265
-
Math Olympiad Number Sense Bootcamp: Master Mental Math, Fractions, Decimals, Percents, Estimation, and Problem Solving Through 800+ Olympiad-Style Questions for Grades 4–8 with Step-by-Step Solutions
by Mia Mathison
- List rank#9
- Price$29.70
- Rating4.9
- Reviews27
-
e: The Story of a Number (Princeton Science Library)
by Eli Maor
- List rank#10
- Price$11.69
- Rating4.3
- Reviews379
Same niche in Kindle eBooks: Number Theory
FAQ
Is Number Theory a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 58 reviews and sells for $23.34.
How many reviews do you need to rank in Number Theory?
The median best seller has 58 reviews, and 64% of them have fewer than 100.
What do Number Theory best sellers cost?
The median price is $23.34; half of the best sellers are priced between $14.25 and $44.18.
Can new books break into Number Theory?
5% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.