User:JrandWP/Twenty-twos

Twenty-twos is equal to \(2 \lfloor 10^{20} / 9\rfloor\), or 20 copies of 2:


 * 22,222,222,222,222,222,222 or hypermathematically by interior superscription as \(2^{18}2\)
 * googology

Its prime factorization is 2 × 11 × 41 × 101 × 271 × 3,541 × 9,091 × 27,961.