9
19,29,59,79,89 are the prime numbers with 9 in its Unit place.
9 and 64 are square numbers but 8 is not.
Out of the above set of numbers, the numbers 11,47,91 are Prime.
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
9
19,29,59,79,89 are the prime numbers with 9 in its Unit place.
151
9 and 64 are square numbers but 8 is not.
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
1491625364964811001, 4, 9, 16, 25, 36, 49, 64, 81, and 100
Out of the above set of numbers, the numbers 11,47,91 are Prime.
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
101
I have noticed that they are all perfect squares.
2, 3, 5 are prime numbers but 9 is not a prime number