there are 10 palindromic numbers between 9000 and 10000 9009,9119,9229,9339,9449,9559,9669,9779,9889,9999
9998.
2438 of them.
14
Infinitely many. There are a 100 perfect squares.
Eight of them.
Only the multiples of 1000.
The nearest number whose square ≤ 10000 is 100. Then the greatest odd number less that 100 is 99 so there are 50 odd numbers in the range 1- 99 inclusive whose squares are less than 10000.
There are 1229 prime numbers that are less than 10000.
there are 10 palindromic numbers between 9000 and 10000 9009,9119,9229,9339,9449,9559,9669,9779,9889,9999
There are eight such numbers.
10000
9998.
1089
999
1229
Int(10000/3) = Int(3333.3) = 3333