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How many four digit palindromes are perfect squares?
There are no four-digit perfect squares that are palindromes.
What is the largest four-digit number whose cube root is a prime number?
6859
What is the largest four-digit number whose digits are all prime?
7777
What is the largest four digit odd number whose four digits are even?
There is no such number. If the four digits are even, the entire number is even, not odd.
What is the smallest two digit number that can be multiplied by itself to give a four digit number?
32 is the smallest two-digit number that can be multiplied by itself to give a four-digit number. (32x32)=1024
How many four digit palindromes are perfect squares?
There are no four-digit perfect squares that are palindromes.
What is the four digit number whose digits are reversed when multiplied by nine?
Find a four digit number whose digits will be reversed when multiplied by nine?
What is the largest four-digit number whose cube root is a prime number?
6859
What is the largest four-digit number whose digits are all prime?
7777
What is the largest four digit odd number whose four digits are even?
There is no such number. If the four digits are even, the entire number is even, not odd.
What is the least four digit perfect square number whose four digits are all even?
4,624 = 682
What is a three digit number whose sum of the numbers is greater than twenty four?
889
What is the smallest two digit number that can be multiplied by itself to give a four digit number?
32 is the smallest two-digit number that can be multiplied by itself to give a four-digit number. (32x32)=1024
What is the largest four digit number the product of whose digits is 61?
61 is prime. You cannot make 61 by multiplying four digits.
How do you make 6789 into a four digit number?
It is already a four-digit number.
What is the highest and the lowest four-digit numbers?
Lowest four-digit number: 1000 Highest four-digit number: 9999
What is the four digit number?
A four digit whole number can be found from 1000 to 9999
