Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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## #1 2013-08-03 14:01:30

mathaholic
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### Make 6161 using only 2 61's

Edit: No concat allowed.

Last edited by julianthemath (2013-08-03 14:02:11)

246 pages on Prime Numbers Wiki (+1)

## #2 2013-09-07 03:07:33

Trenin
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### Re: Make 6161 using only 2 61's

So the idea is that we can only use mathematical symbols and no other digits/numbers, correct?

## #3 2013-10-27 11:30:04

mathaholic
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### Re: Make 6161 using only 2 61's

You can use numbers, any operations excluding the concat.

246 pages on Prime Numbers Wiki (+1)

## #4 2013-11-25 09:02:34

Grimbal
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### Re: Make 6161 using only 2 61's

I can use numbers?  Any number?  What about  61*100+61?

## #5 2013-11-25 09:32:36

anonimnystefy
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### Re: Make 6161 using only 2 61's

You can use only 2 61's.

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment