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How many positive integers ar equal to 12 times the sum of their digits?
There are none.
How many 5 digits can be formed with digits 123456 divisible by 4 with digits not repeated?
192 ways
Find the sum of the digits in the smallest positive integers that is divisible by 2 and 4 and 6 and 10 and 12 and 14?
The sum of the digits is 6.
What are the rules for putting integers in order from least to greatest?
First, separate the negative and positive integers (put them into two separate groups). If there is a zero, you can put it in its own group - or put it into the same group with the positive integers. Negative integers come first, then zero, then positive integers.For positive integers:An integer with less digits comes before an integer with more digits.For integers with the same number of digits, look at the first digit. The integer with the smaller digit in this position comes first.If the first digit is the same, look at the second digit. If those are equal, look at the third digit, etc.For negative integers, it is the other way round - for example, an integer with MORE digits comes first.
What is the largest six-digit number using the digits 123456?
You get the largest number if you sort the digits, from largest to smallest.
What is the sum of all the digits of all the positive integers that are less than 100?
The sum of all the digits of all the positive integers that are less than 100 is 4,950.
How many 3 digit positive integers have 5 as the product of their digits?
Three of them.
What percentage of the first 100 positive integers contains no even digits?
50%
How many positive integers less than 1000 have no odd decimal digits?
52
How many positive integers ar equal to 12 times the sum of their digits?
There are none.
What are the last two digits in the sum of factorials of the first 100 positive integers?
They are 13.
How many 5 digits can be formed with digits 123456 divisible by 4 with digits not repeated?
192 ways
How many positive integers have exactly three digits?
Every number from 100 to 999 inclusive !
How many positive integers have equally many digits in the decimal representation of their square and their cube?
3
Find the sum of the digits in the smallest positive integers that is divisible by 2 and 4 and 6 and 10 and 12 and 14?
The sum of the digits is 6.
How many positive integers less than 1000 have distinct digits?
10*9*8=720
How many positive integers less than 100 have the sum of their digits equal to a perfect square?
There are 20.
