Why does our number system have only 10 different symbols?
42529
Why have we chosen our number system to be decimal (base 10)?
108466
What's the right way to represent phone numbers?
87956
10-digit numbers with constraints
121960
How many numbers from $1$ to $2^n$ will have $``11"$ as substring in binary representation?
42706
How many $N$ digits binary numbers can be formed where $0$ is not repeated
85742
Why can't variable names start with numbers?
41248
How to represent 1 as Symbol["Integer"]
61372
Numbering exceeding the 26 letter alphabet
127100
Countable or uncountable set 8 signs
155937
The reciprocal of many prime numbers p in base 10 have a set of repeating digits p-1. Why?
90395
What is the number next to the character picture?
48350
Symbols instead of numbers as footnote markers
124136
Why does the division algorithm work for converting between number bases?
119031
How many 6 digit numbers are possible with no digit appearing more than thrice?
152946
how many distinct values does it have?
37625
Why is the word 'number' abbreviated to 'No.' in UK English and '#' in American English?
120822
A 10x10 table filled with 0 to 9 numbers