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What numbers can be made using the digits 4 2 1?

Anonymous

∙ 9y ago

Updated: 9/24/2023

The numbers: {1, 2, 4, 12, 14, 21, 24, 41, 42, 124, 142, 214, 241, 412, 421}.

If repeats are allowed, the above plus: {11, 22, 44, 111, 222, 444} plus infinitely many more by preceding the numbers given so far by various combinations of {1, 2, 4} in 1, 2, 3, ... digit groups making 4, 5, 6, ... digit numbers.

Wiki User

∙ 9y ago

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Continue Learning about Math & Arithmetic

How many combinations of four digits can be made from 1-44?

45

How many combinations of three digits can be made from the numbers 1 to 10?

9*9*9 = 729 using the digits 1 to 9 and 2*9 using 10 and another digit. 749 in all.

How many 4 digit numbers can be made using digits 1 5 9?

9915 1159 5555 9999 1111

How many numbers between 1 and 100 can be written using only the digits 1 2 3 4 and 5?

25 digits

How many 4-digit numbers can be formed by the digits 1 1 2 2 using the digits more than once?

6

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Related Questions

How many combinations of four digits can be made from 1-44?

45

How many combinations of three digits can be made from the numbers 1 to 10?

9*9*9 = 729 using the digits 1 to 9 and 2*9 using 10 and another digit. 749 in all.

How many numbers less than 1000 can be made with numbers 1 2 3?

Using only arrangements of the given digits: without repeating digits, 15. with repetition, 39. The answer does not include numbers such as 2^3 = 8 or 3^(2+1) = 27

How many 4 digit numbers can be made using digits 1 5 9?

9915 1159 5555 9999 1111

How many numbers between 1 and 100 can be written using only the digits 1 2 3 4 and 5?

25 digits

How many 4-digit numbers can be formed by the digits 1 1 2 2 using the digits more than once?

6

How many four digits numbers can be made with 1 4 5 9 without repetition?

To calculate the number of four-digit numbers that can be made using the digits 1, 4, 5, and 9 without repetition, we use the permutation formula. Since there are 4 digits to choose from for the first digit, 3 for the second, 2 for the third, and 1 for the fourth, the total number of permutations is 4 x 3 x 2 x 1 = 24. Therefore, there are 24 different four-digit numbers that can be formed using the digits 1, 4, 5, and 9 without repetition.

How many numbers can you make from 650271 without repeating a digit?

1,956 different numbers can be made from 6 digits. You can calculate this by using the permutation function in a summation function, like this: Σ6k=1 6Pk = 6P1+6P2+...+6P5+6P6 What this does is calculate how many 1 digit numbers you can make from 6 digits, then how many 2 digit numbers can be made from 6 digits and adds the amounts together, then calculates how many 3 digit numbers can be made and adds that on as well etc.

How many 4 digits numbers can be made using the digits 0 1 2 3 4 5 6 7 8 9 using each digit only once to give the sum 6?

18 can.

How many 5 digit numbers can be made from the numbers 0 1 2 if digits can be repeated?

162

How many 2-digit numbers can be formed using the digits 1 3 7 if repetition of digits is allowed?

Possible solutions - using your rules are:- 11,13,17,31,33,37,71,73 &77

A system of numbers in which each number is shown using only the digits 0 and 1?

binary.

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