List questions from number-systems

Published on 20 Oct 2012 - 14:39

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Find the greatest powers of $2$ dividing $10!$, $20!$, $30!$, $40!$

Published on 21 Oct 2012 - 12:40

8.1k

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What's the difference between hyperreal and surreal numbers?

Published on 25 Mar 2026 - 14:29

103

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Converting to base $-2$

Published on 26 Oct 2012 - 17:13

134

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DUODEC to BIN, OCT, DEC problem

Published on 03 Nov 2012 - 13:19

1.9k

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CRT representation of integers, and multiplication in (almost) linear time

Published on 08 Nov 2012 - 1:46

6.4k

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What exactly is a $\delta$ neighborhood

Published on 01 Dec 2012 - 21:50

4.3k

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Teaching children to convert between number bases

Published on 12 Dec 2012 - 19:18

92

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Expressing $2010_{2}$

Published on 16 Dec 2012 - 2:11

258

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Axioms for sets of numbers

Published on 24 Dec 2012 - 2:05

9.8k

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Is writing 2K13 technically correct?

Published on 02 Jan 2013 - 16:27

457

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The Rademacher functions for counting binary digits

Published on 02 Jan 2013 - 20:39

1.3k

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Numerology and the possible combinations

Published on 06 Jan 2013 - 23:47

211

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Solving system of quadratic congruences

Published on 09 Jan 2013 - 20:40

413

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Convert the following decimal to both binary and hexadecimal. How do you interpret $-27_{10}$?

Published on 18 Jan 2013 - 21:22

List Question

Was there a culture/number system with negative numbers but without zero?

Find the greatest powers of $2$ dividing $10!$, $20!$, $30!$, $40!$

What's the difference between hyperreal and surreal numbers?

Converting to base $-2$

DUODEC to BIN, OCT, DEC problem

CRT representation of integers, and multiplication in (almost) linear time

What exactly is a $\delta$ neighborhood

Teaching children to convert between number bases

Expressing $2010_{2}$

Axioms for sets of numbers

Is writing 2K13 technically correct?

The Rademacher functions for counting binary digits

Numerology and the possible combinations

Solving system of quadratic congruences

Convert the following decimal to both binary and hexadecimal. How do you interpret $-27_{10}$?

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