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Q: What is the largest 5 digit-number that can be formed using the digits 7 and 9?

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Without using exponents or factorials, that's it.

Using the digits 12279, the largest number that can be represented is 97,221.

7654321

1023459

If the digits are all different then 18. Otherwise, 192.

Related questions

99875

the largest five digit number that can be formed using the digits 7 and 9 is 97,000

9650 is the largest formed by re-ordering the digits.

Without using exponents or factorials, that's it.

66421

976542

651

985

9876543210, without using any mathemeatical operations.

You get the largest number if you sort the digits, from largest to smallest.

99999

96425 Larger numbers can be made by cascading the powers, but not on here because the notation won't take it.