Euler function
This morning I wrote a post about the probability that a random matrix over a finite field is invertible. If the field has q elements and the matrix has dimensions n Г— n then the...
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This morning I wrote a post about the probability that a random matrix over a finite field is invertible. If the field has q elements and the matrix has dimensions n Г— n then the...
Inspiration for this puzzle came from this recent puzzle: Find all digits in abc·de - fgh·ij=0 where each digit 0–9 is used exactly once Rational Thinking Required A, B, C, D, E, F...
There are years from this century that are not really prime or composite when interpreted in certain way. Prime but not really prime: 2027 2029 2039 2053 2063 2069 2081 2083 2089...
When we start counting odd and even numbers, the first number is odd number then comes the even number. Color the correct number of objects. Ring the even numbers and cross the odd...
Inspired from Can you name the country code? and What is a Numberâ„¢? series Given the Numbers of the 11 Words in the following table, can you figure out the Numberâ„¢ of WAR?...
The Mathematician's Lament: Decode the Hidden Number in This Cryptic Recipe Found in the margins of Dr. Aris Thorne's final paper on transcendental number theory, submitted hours b...
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