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What are the first fifteen counting numbers in base nine?
They are 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 and 16.
What is the sum of the first 5 counting numbers?
1+1+1+1+1+=5 * * * * * The question did not ask for the sum of the first counting number five times! The sum of the first 5 counting numbers is 1+2+3+4+5 = 15. Such sums are known as triangular numbers.
What are the first 15 counting numbers in base 3?
In base 3, the counting numbers are represented using the digits 0, 1, and 2. The first 15 counting numbers in base 3 are: 0, 1, 2, 10, 11, 12, 20, 21, 22, 100, 101, 102, 110, 111, and 112. Each place value increases by powers of 3, similar to how place values increase by powers of 10 in the decimal system.
What are the first fifteen counting numbers in base 7?
1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16, 20, 21...
What are the first 5 triangular numbers?
Triangle numbers or triangular numbers are those numbers that can form an equilateral triangle when counting the objects. The first five triangular numbers are: 1, 3, 6, 10, 15.
