Microsoft Word file. Mathemagical Numbers 100 to 199 is a free 39-page booklet about the natural numbers 100 to 199. We list some of our favorite properties about each natural number 100 to 199. You will find odd numbers, even numbers, prime numbers, emirps, palprimes, composite numbers, prime factorizations of composite numbers, factors, proper factors, sums of factors, sums of proper factors, deficient numbers, perfect numbers, abundant numbers, square numbers, cubic numbers, triangular numbers, factorial numbers, Fibonacci numbers, and palindromic numbers. You can download this booklet as a PDF file or as a Microsoft Word file that you can edit. You can add your favorite properties to the numbers 100 to 199 and have your students participate in the process. This is a free booklet, so please give copies to others.