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Shortest way to a million (Posted on 2020-12-03) Difficulty: 3 of 5
The number one million can be presented by 2 digits : 1000000, i.e. a chain of 7 digits.
Another possibility is 10002. 3 distinct digits, 5 characters. I

You are requested to express one million, using a single digit d plus some operators creating a chain of n characters ( digits and operators).
What digit is your choice and how low is the minimal n?

a). The permissible operators are : + - * / and ^.

b). Sqrt and ! are allowed as well.”

. REM: count digits and operators only, ignore ^, concatenation and brackets; e.g. (77-7)/7 is counted as 6.

No Solution Yet Submitted by Ady TZIDON    
Rating: 4.5000 (4 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Hints/TipsThe winnerMath Man2020-12-12 17:37:41
part b)xdog2020-12-05 21:01:11
re(2): Best known of each digitSteven Lord2020-12-05 11:59:50
Some Thoughtsre: Best known of each digitAdy TZIDON2020-12-05 11:19:24
re: 3 w/ [8]Jer2020-12-04 20:55:17
3 w/ [8]Steven Lord2020-12-04 18:57:29
Some ThoughtsBest known of each digitJer2020-12-04 12:56:10
6 in 7Jer2020-12-03 20:10:20
6 and 12xdog2020-12-03 18:37:22
6 and 12xdog2020-12-03 18:37:21
5 and 8xdog2020-12-03 15:53:22
Some ThoughtsA few moreJer2020-12-03 15:07:57
re(2): A startJer2020-12-03 15:02:02
re: A startCharlie2020-12-03 10:38:07
Some ThoughtsA startJer2020-12-03 09:57:40
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