194

From ProofWiki
Jump to navigation Jump to search

Previous  ... Next

Number

$194$ (one hundred and ninety-four) is:

$2 \times 97$


The $6$th positive integer solution after $1, 3, 15, 104, 164$ to $\map \phi n = \map \phi {n + 1}$:
$\map \phi {194} = 96 = \map \phi {195}$


The $28$th nontotient:
$\nexists m \in \Z_{>0}: \map \phi m = 194$
where $\map \phi m$ denotes the Euler $\phi$ function


Also see