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Number Theory (Pure Mathematics, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Number Theory (Pure Mathematics, Kindle eBooks), updated Nov 2, 2026: median price $10, median 7 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $6.49 – $19.24 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 6% of the parent category Pure Mathematics (108), one of the easier corners under it.
- Its review barrier is lower than in 85% of Kindle eBooks categories: the median best seller has only 7 reviews, so new books can chart with few.
- At $10 its median price beats 88% of Kindle eBooks categories, leaving more margin per copy.
Top 10 Number Theory best sellers
-
The Magic of Math: Solving for x and Figuring Out Why
- List rank#1
- Price$1.99
- Rating4.5
- Reviews397
-
A Beginner's Guide to Constructing the Universe: The Mathematical Archetypes of Nature, Art, and Science
by Michael S. Schneider
- List rank#2
- Price$10.44
- Rating4.7
- Reviews865
-
The Kingdom of Infinite Number: A Field Guide
by Bryan Bunch
- List rank#3
- Price$2.99
- Rating3.8
- Reviews10
-
Proofiness: How You're Being Fooled by the Numbers
by Charles Seife
- List rank#4
- Price$14.99
- Rating4.1
- Reviews156
-
Number Theory: An Introduction via the Density of Primes (Mathematics and Statistics)
by Benjamin Fine
- List rank#5
- Price$59.99
- Rating5.0
- Reviews3
-
The Transcendental Tangle: Untying the Enigmatic Knots of the Infinite: A Playful Exploration and Guide to the Enigmatic World of Transcendental Numbers ... Unraveling the Secrets of the Numberverse)
by Matthew Weinberg
- List rank#6
- Price$0.99
- Rating4.5
- Reviews198
-
How Math Explains the World: A Guide to the Power of Numbers, from Car Repair to Modern Physics
by James D. Stein
- List rank#7
- Price$8.99
- Rating3.8
- Reviews53
-
Love and Math: The Heart of Hidden Reality
by Edward Frenkel
- List rank#8
- Price$13.99
- Rating4.3
- Reviews912
-
e: The Story of a Number (Princeton Science Library)
by Eli Maor
- List rank#9
- Price$9.99
- Rating4.3
- Reviews379
-
The Irrationals: A Story of the Numbers You Can't Count On (Princeton Science Library)
by Julian Havil
- List rank#10
- Price$9.99
- Rating4.0
- Reviews76
Same niche in Books: Number Theory
FAQ
Is Number Theory a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 7 reviews and sells for $10.
How many reviews do you need to rank in Number Theory?
The median best seller has 7 reviews, and 73% of them have fewer than 100.
What do Number Theory best sellers cost?
The median price is $10; half of the best sellers are priced between $6.49 and $19.24.
Can new books break into Number Theory?
6% 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.