New posts in Number Systems

Base $7$ is backwards base $16$

Proof that base -2 with binary digits can form every integer

How many numbers have the form $10n+d$ where $d$ is a non-zero digit?

Arbitrarily long palindromes in two consecutive number bases

Factors in a different base $\ 2b^2\!+\!9b\!+\!7\,\mid\, 7b^2\!+\!9b\!+\!2$

The base in which $1065 = 13 \cdot 54$ is true

Why do we add a zero to dividend during long division?

Palindromes in multiple bases

Some doubts in 2's complement

Can someone explain these strange properties of $10, 11, 12$ and $13$?