750005718

Appears in sequences

• Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.at n=22A116109
• Numbers k such that k concatenated with itself gives the product of two numbers which differ by 7.at n=23A116160
• Numbers k such that k concatenated with k+6 gives the product of two numbers which differ by 5.at n=15A116200