Lichrel number exists in base-10
Lecture Notes on Partial Differential Equations
Joint Entrance Mathematics (VOL-18)
Fortunate Numbers and Fortunate Conjecture
Fibonacci numbers and Fibonacci primes
Composite Mersenne number with prime index are square free
Calculus And Analytical Geometry In 2D And 3D Preview
Another proof of Goldbach Conjecture
24 is the largest number divisible by all numbers less than it’s square root