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If the six digits are all distinct and either they are all positive or a leading zero is permitted, then the answer is 6! = 6*5*4*3*2*1 = 720

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Q: How many unique numbers can be formed from a six digit number?
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Related questions

The number 3456 is divisible by which single digit numbers?

A very unique number; it is divisible by each single digit number except 5 and 7.


How many 3 digit numbers can be formed from 3769 if each digit is used only once?

Choose from 4 for the first number, 3 for the second number, and 2 for the third number. Therefore there are 4*3*2 = 24 three digit numbers can be formed from 3769 if each digit is used only once.


How many four digits numbers can be formed using 0123456789?

Assuming that the first digit of the 4 digit number cannot be 0, then there are 9 possible digits for the first of the four. Also assuming that each digit does not need to be unique, then the next three digits of the four can have 10 possible for each. That results in 9x10x10x10 = 9000 possible 4 digit numbers. If, however, you can not use the same number twice in completing the 4 digit number, and the first digit cannot be 0, then the result is 9x9x8x7 = 4536 possible 4 digit numbers. If the 4 digit number can start with 0, then there are 10,000 possible 4 digit numbers. If the 4 digit number can start with 0, and you cannot use any number twice, then the result is 10x9x8x7 = 5040 possilbe 4 digit numbers.


How many 6 digit number can be formed using 3445567?

5040 numbers can be made.


How many four-digit numbers can be formed if the leading digit cannot be zero?

There are 9 x 10 x 10 x 10, or 9000 four-digit number that can be formed if the leading digit cannot be zero.


How many 2 digit numbers can be formed by adding two 1 digit numbers?

3


How is 102 smallest three digit number with unique digits?

There are only two smaller 3-digit numbers and both of them have repeated digits.


How many 5 digit number can be formed using the digits 02345when repetition is allowed such that the number formed is divisible by 2 or 5 or both?

There are 2000 such numbers.


How many 2 digit number can be formed using number 0 2 and 3?

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You are a 4 digit number your hundreds digit number is triple your thousands digit the number formed by your tens and ones digit is triple the number formed by your thousands and hundreds digits?

1339


The total number of five digit numbers that can be be formed digits 12345 is?

It is 120 if the digits cannot be repeated.


Do Evan numbers have more factors than odd numbers?

write the number that is 500 more than the biggest number that can be formed by all the odd 1 digit number