# user4140

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 Jan1 revised What's the name of this quantity? edited body Jan1 revised Proof for method to calculate Carmichael's $\lambda$. deleted 90 characters in body Jan1 asked Proof for method to calculate Carmichael's $\lambda$. Jan1 revised Last digits number theory. $7^{9999}$? added 20 characters in body Jan1 revised Last digits number theory. $7^{9999}$? added 261 characters in body Jan1 answered Last digits number theory. $7^{9999}$? Jan1 revised N is a natural number N>1, and K is a natural number between 1 and N. In how many permutations of numbers 1 to N … added 27 characters in body Jan1 revised N is a natural number N>1, and K is a natural number between 1 and N. In how many permutations of numbers 1 to N … added 11 characters in body Dec31 answered N is a natural number N>1, and K is a natural number between 1 and N. In how many permutations of numbers 1 to N … Dec31 comment Combinatorics Question: Alphabet of $16$ letters, $8$ slots, arbitrary blanks What about ordering 2 x and one y? how many ways? Dec31 comment Combinatorics Question: Alphabet of $16$ letters, $8$ slots, arbitrary blanks you say they only count as one element so then there are 7! combinations. Dec31 comment Combinatorics Question: Alphabet of $16$ letters, $8$ slots, arbitrary blanks But don't the blanks have to be together in your solution? Dec31 comment Combinatorics Question: Alphabet of $16$ letters, $8$ slots, arbitrary blanks @newb do you allow for different positions for the blank in your solution? Dec31 answered What is the total number of distinct sums possible from tossing six, six-sided dice? Dec31 comment Minimum number of objects required to figure out the issue Can't you do it with 9 pigs? You have two 30 minute intervals. so you can do it first with 2^9=512 subsets. Then if no one dies, try again with the remaining 498 buckets. Dec31 revised Minimum number of objects required to figure out the issue added 38 characters in body Dec31 comment Minimum number of objects required to figure out the issue Actually without sharing bucket's it's right, sharing buckets it's wrong. Dec31 comment Minimum number of objects required to figure out the issue but it says within 30 minutes Dec31 comment Minimum number of objects required to figure out the issue Does the pig die exactly 30 minutes later or at any point between the moment he drinks and 30 minutes? Dec31 answered Minimum number of objects required to figure out the issue