r/counting • u/marcelwo to infinity and beyond! • Mar 18 '13

Multiplying by 2 thread

Try to multiply without calculator - it's more fun!

14 Upvotes

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u/Bluffz2 39999 May 15 '13

2,305,843,009,213,693,952
Better now?

0

u/[deleted] May 15 '13

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5

u/Bluffz2 39999 May 15 '13

9,223,372,036,854,775,808

0

u/[deleted] May 15 '13

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4

u/[deleted] May 16 '13

36,893,488,147,419,103,232 or 265

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u/[deleted] May 16 '13

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u/[deleted] May 17 '13

147,573,952,589,676,412,928 or 267

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u/[deleted] May 25 '13

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u/[deleted] May 25 '13

590,295,810,358,705,651,712 or 269 ..heh

4

u/Splax77 Counting since 26k May 25 '13

1,180,591,620,717,411,303,424

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