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.
Chat with our AI personalities
There are 5 square numbers under 30: 1, 4, 9, 16, and 25.
10000
10000 of them.
There are 1229 prime numbers that are less than 10000.
10000