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What are reversed prime numbers?
Prime numbers that are still prime after their digits are reversed, like (13,31)(17,71)(37,73)(79,97)(107,701)(113,311)
What prime numbers are still prime numbers when their digits are reversed?
Some of them are: 11 13 17 37 and 79
How many two digit whole numbers are increased by 18 when their digits are reversed?
7 two-digit numbers.
Which prime numbers less than 100 are also prime numbers when their digits are reversed?
13,31 17,71 37,73 79,97
What is the largest two-digit number that is prime and has prime numbers for both of its digits?
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
What are reversed prime numbers?
Prime numbers that are still prime after their digits are reversed, like (13,31)(17,71)(37,73)(79,97)(107,701)(113,311)
What is the largest number of eight digits with one of its digits 0 and remains the same when its digits are reversed?
An eight digit number with one zero cannot remain the same when its digits are reversed. It must have an even number of 0s.
How many 2 digits numbers are such that the difference of the number and the number with the digits reversed is a perfect square?
If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.
What prime numbers are still prime numbers when their digits are reversed?
Some of them are: 11 13 17 37 and 79
How many two digit whole numbers are increased by 18 when their digits are reversed?
7 two-digit numbers.
Which prime numbers less than 100 are also prime numbers when their digits are reversed?
13,31 17,71 37,73 79,97
What is the largest two-digit number that is prime and has prime numbers for both of its digits?
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
What is the sum of all 4 digit numbers that are the same when their digits are reversed?
The sum of all palindromic numbers from 1001 to 9999 is 495000.
What prime numbers are still prime when their digits are reversed?
one is 17 and 71, another one is 11,
What is the largest 3 digits even numbers?
998 - 3 digits even number Next even number is 1000 - 4 digits. So 998 is the largest ...
What are the three largest numbers that can be made using the digits?
depends on your answer
What is the largest 6 - digit numbers with no digits the same?
987654
