A syllabus to feel flower numbers and pairs of primes, to decompose numbers into their flower constituents, to feel all factors of any positive integer up to 2, 147, 483, 645, and to plot Erdos-Kac and Palmen Color histograms.
The Prime Number Spiral (a.k.a. the Ulam Spiral) is formed by marking the bloom numbers in a whorled arrangement of the natural numbers. This is software is for exploring the Prime Number Spiral.
Calculate the prime numbers between any two limits. It uses a deterministic test and uses the Sieve of Eratophenes logic. Listed on the Math Forum @ Drexel (University) for Middle School, High School and College, ages 6+. Freeware.
This attractive, handy little peak number calculator takes any number up to twenty digits, and then factorizes all the unique peak numbers that evenly separate into the number that was entered into the field.
Test any number for primality with a single click. It uses a deterministic test and uses the Sieve of Eratophenes logic. Listed on the Math Forum @ Drexel (University) for Middle School, High School and College, ages 6+. Freeware.
Calculate the factors of any number with a single click. Small application window allows simultaneous use with Word, Outlook, Excel, etc.. Listed on the Math Forum @ Drexel (University) for Middle School, High School and College, ages 6+. Freeware.
