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What is the 3 digit numbers between 101 and 170 whose digits total 9?
108,117,126,135,144,153,162. 171, 180
How many two-digit numbers have digits whose sum is a perfect square?
To find how many two-digit numbers have digits whose sum is a perfect square, we first note that the two-digit numbers range from 10 to 99. The possible sums of the digits (tens digit (a) and units digit (b)) can range from 1 (1+0) to 18 (9+9). The perfect squares within this range are 1, 4, 9, and 16. Analyzing each case, we find the valid combinations for each perfect square, leading to a total of 36 two-digit numbers whose digits sum to a perfect square.
What are all three-digit odd numbers whose digit sum is 9?
1, 3, and 5.
What are the three digit numbers between 101 and 170 whose digits total 9?
108 117 126 135 144 153 and 162
What numbers are a multiple of 5?
In base 10, all numbers whose last digit is a 5 or a 0
What is the 3 digit numbers between 101 and 170 whose digits total 9?
108,117,126,135,144,153,162. 171, 180
How many 2 digit prime numbers are there whose unit digit is greater its tens digit?
Ten.
How many 5 digits numbers are there whose digits sum to 22?
There are 5460 five digit numbers with a digit sum of 22.
How many two-digit numbers have digits whose sum is a perfect square?
To find how many two-digit numbers have digits whose sum is a perfect square, we first note that the two-digit numbers range from 10 to 99. The possible sums of the digits (tens digit (a) and units digit (b)) can range from 1 (1+0) to 18 (9+9). The perfect squares within this range are 1, 4, 9, and 16. Analyzing each case, we find the valid combinations for each perfect square, leading to a total of 36 two-digit numbers whose digits sum to a perfect square.
What are all three-digit odd numbers whose digit sum is 9?
1, 3, and 5.
What are the three digit numbers between 101 and 170 whose digits total 9?
108 117 126 135 144 153 and 162
What numbers are a multiple of 5?
In base 10, all numbers whose last digit is a 5 or a 0
What are the 2 consecutive 2-digit numbers whose product is 812?
The numbers are 28 and 29.
What are the two 3 digit numbers whose product is 555555?
715 and 777
How many three digit numbers are there such whose digits sum is odd?
450.
How many 3-digit whole numbers have digits whose product equals 24?
-21
What are the 7 digit numbers that have 1246789 as they're number between 8000000 to 9000000?
They belong to a set of numbers whose first digit is 8. There are 720 such numbers and I regret that I do not have the patience to list them all.
