236
29
202, 212, 222, 232, 242, 252, 262, 272, 282, and 292 are the palindromic numbers between 200 and 300. NONE of them are prime, since they must all end in 2 they are even and so are divisible by 2, so they are not prime.
After 5, all prime numbers end with 1, 3, 7 or 9.
No, there are composite numbers that end in every other digit.
10 of them.
236
110
All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.
2, 22.
29
202, 212, 222, 232, 242, 252, 262, 272, 282, and 292 are the palindromic numbers between 200 and 300. NONE of them are prime, since they must all end in 2 they are even and so are divisible by 2, so they are not prime.
the numbers never end!
After 5, all prime numbers end with 1, 3, 7 or 9.
200 of them.
No, there are composite numbers that end in every other digit.
There is no end to the world of numbers!