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Number Theory
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Demonstrations 181  200 of 579
Integers Relatively Prime to the First n Primes
Visible Divisibility Tests
Twin and Nearly Twin Pythagorean Triples
Factorial Digits
Pythagorean Primitive Triples Using Primes
Multiplicative Functions
Method of Integer Measures
Guessing a Number Using the Chinese Remainder Theorem
Approximation of Irrationals
Real Digits Carpet
Odd and Even Values of Divisor Functions
Randomness in the Digits of Square Roots
Randomness in the Digits of Pi
Table of Primes
Factoring an Integer
Collatz Sequence Computed by a Tag System
Linear Diophantine Equations
Ternary Card Game
Powers Modulo m
Simultaneous Approximation of Two Real Numbers by Rationals
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