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What is the number of 5 digit number that have no 2 consecutive digit equal?
Wiki User
∙ 14y ago
The first digit can be any one of 9 digits (anything but zero). For each of those ...
The second digit can be any one of 9 digits (anything but the previous one). For each of those ...
The third digit can be any one of 9 digits (anything but the previous one). For each of those ...
The fourth digit can be any one of 9 digits (anything but the previous one). For each of those ...
The fifth digit can be any one of 9 digits (anything but the previous one).
So the total number of possible arrangements is (9 x 9 x 9 x 9 x 9) = 59,049
out of a total of 99,999 different 5-digit numbers, or 59.05%.
Wiki User
∙ 14y ago
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What is the product of 2 consecutive two digit numbers equaling 8010?
89 x 90 = 8010 which are two consecutive two digit numbers that equal 8010.
In a two digit number if it is known that it units digit exceed its tens digit by 2 and that the product of the given number and the sum of its digit is equal to 144 then the number is?
24
What one-digit number is the product of two consecutive prime numbers?
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1
What is a two digit number which has the difference of the 2 digits equal to your largest single digit?
21 and 20
What is the product of 2 consecutive two digit numbers equaling 8010?
89 x 90 = 8010 which are two consecutive two digit numbers that equal 8010.
What is the 2 consecutive numbers which equal 2862?
Any 2 consecutive will always add up to an odd number and the number given is an even number
which 2 digit number is equal to the sum of its first digit plus the square of its second digit?
89
In a two digit number if it is known that it units digit exceed its tens digit by 2 and that the product of the given number and the sum of its digit is equal to 144 then the number is?
24
What one-digit number is the product of two consecutive prime numbers?
There are only two prime numbers that are consecutive numbers, 2 and 3. Their product is 2 x 3 = 6. The first prime numbers are 2, 3, 5, and 7 and the only two consecutive prime numbers whose product is a single digit are 2 and 3. (The next two consecutive prime numbers, 3 and 5, have a two-digit product.)
What single digit percentage of a three digit number is equal to a 2 digit number using a digit of 0 thru 9 only once?
4
What is a 2-digit number the sum of whose digits is 1?
1
A 2 digit number that is the product of 2 consecutive integers and the sum of its digits is greater than the product of the digits both digits are even?
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What is a two digit number which has the difference of the 2 digits equal to your largest single digit?
21 and 20
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121
Are there any consecutive 2 digit square numbers?
no
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two consecutive 4- digit numbers have a sum of 9173.what are the numbers?
