Three Tri-Automorphic Numbers for each Number of Digits/Examples

Examples of Three Tri-Automorphic Numbers for each Number of Digits

$\text {(6667)}: \quad$

$\ds 3 \times 6667^2$

$=$

$\ds 133 \, 34 \mathbf {6 \, 667}$

$\text {(6875)}: \quad$

$\ds 3 \times 6875^2$

$=$

$\ds 141 \, 79 \mathbf {6 \, 875}$

$\text {(9792)}: \quad$

$\ds 3 \times 9792^2$

$=$

$\ds 287 \, 64 \mathbf {9 \, 792}$

$\text {(6 666 666 667)}: \quad$

$\ds 3 \times 6 \, 666 \, 666 \, 667^2$

$=$

$\ds 133 \, 333 \, 333 \, 34 \mathbf {6 \, 666 \, 666 \, 667}$

$\text {(7 262 369 792)}: \quad$

$\ds 3 \times 7 \, 262 \, 369 \, 792^2$

$=$

$\ds 158 \, 226 \, 044 \, 98 \mathbf {7 \, 262 \, 369 \, 792}$

$\text {(9 404 296 875)}: \quad$

$\ds 3 \times 9 \, 404 \, 296 \, 875^2$

$=$

$\ds 265 \, 322 \, 399 \, 13 \mathbf {9 \, 404 \, 296 \, 875}$