Question

Proving that 1/3 has no finite decimal representation

score 873 · Answer 1 · 2026-04-15 16:41:35

873

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Proving that 1/3 has no finite decimal representation

Published on 15 Apr 2026 - 16:41

score 678 · Answer 2 · 2026-04-12 22:59:26

678

Views

Multiples of $999$ have digit sum $\geq 27$

Published on 12 Apr 2026 - 22:59

score 198 · Answer 3 · 2026-04-12 22:35:00

198

Views

Cardinality of number of digits

Published on 12 Apr 2026 - 22:35

score 182 · Answer 4 · 2026-04-09 00:22:52

182

Views

Simplify binary expansion

Published on 09 Apr 2026 - 0:22

score 174 · Answer 5 · 2026-04-11 09:21:13

174

Views

Elementary number theory problem about finding a square number with digits with certain properties

Published on 11 Apr 2026 - 9:21

score 269 · Answer 6 · 2026-04-13 17:08:25

269

Views

About the proof that every real number in the unit interval is the limit of a sequence of dyadic numbers

Published on 13 Apr 2026 - 17:08

score 104 · Answer 7 · 2026-04-14 19:26:57

104

Views

Infinite numbers of decimals for a finite point in a line

Published on 14 Apr 2026 - 19:26

score 660 · Answer 8 · 2026-04-17 01:30:55

660

Views

Show set of all real number in ($0,1$) with base $10$ decimal expansion contains no $3$s or $7$s is uncountable

Published on 17 Apr 2026 - 1:30

score 97 · Answer 9 · 2026-04-15 10:31:45

97

Views

Difference between a non-increasing number and it's mirror (digit reversal)

Published on 15 Apr 2026 - 10:31

score 122 · Answer 10 · 2026-04-14 20:52:38

122

Views

Example of an irrational number of this form.

Published on 14 Apr 2026 - 20:52

score 40 · Answer 11 · 2026-04-13 04:08:38

40

Views

Two whole numbers n and k . Print k decimal digits of 1 / n .

Published on 13 Apr 2026 - 4:08

score 2k · Answer 12 · 2026-04-17 03:12:54

2k

Views

How many numbers are there which only contain digits $4$ and $7$ in them?

Published on 17 Apr 2026 - 3:12

score 1.2k · Answer 13 · 2026-04-17 06:22:48

1.2k

Views

Expressing $1.24\overline{123}=1.24\;123\;123\;123\;\ldots$ as the ratio of two integers

Published on 17 Apr 2026 - 6:22

score 106 · Answer 14 · 2026-04-14 22:12:20

106

Views

How many primes are there on the form $100\cdots 0 1$?

Published on 14 Apr 2026 - 22:12

score 48 · Answer 15 · 2026-03-25 12:14:31

48

Views

Why converted values from Decimal to binary isn't the same?

Published on 25 Mar 2026 - 12:14

List Question

Proving that 1/3 has no finite decimal representation

Multiples of $999$ have digit sum $\geq 27$

Cardinality of number of digits

Simplify binary expansion

Elementary number theory problem about finding a square number with digits with certain properties

About the proof that every real number in the unit interval is the limit of a sequence of dyadic numbers

Infinite numbers of decimals for a finite point in a line

Show set of all real number in ($0,1$) with base $10$ decimal expansion contains no $3$s or $7$s is uncountable

Difference between a non-increasing number and it's mirror (digit reversal)

Example of an irrational number of this form.

Two whole numbers n and k . Print k decimal digits of 1 / n .

How many numbers are there which only contain digits $4$ and $7$ in them?

Expressing $1.24\overline{123}=1.24\;123\;123\;123\;\ldots$ as the ratio of two integers

How many primes are there on the form $100\cdots 0 1$?

Why converted values from Decimal to binary isn't the same?

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