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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?
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 is a 2-digit number the sum of whose digits is 1?
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
What one digit number is equal to 14 and 28?
There is no one-digit number that is equal to both 14 and 28.
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
What is a two digit number which has the difference of the 2 digits equal to your largest single digit?
21 and 20
What number is a 3 digit square number with the product of its digits equal to 2?
121
Are there any consecutive 2 digit square numbers?
no
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?
The 2-digit number must be 20, because it is the only 2-digit number whose sum of its two even digits, 2 + 0 = 2, is greater than the product of its two even digits, 2 x 0 = 0. Moreover, 20 is a product of the two consecutive integers 4 and 5.
