999999994

Appears in sequences

• Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.at n=24A116109
• Numbers k such that k concatenated with itself gives the product of two numbers which differ by 7.at n=25A116160
• Numbers k such that k * (k + 7) is the concatenation of a number m with itself.at n=25A116291
• Numbers that are the sum or product of two numbers, such that the sum and product have reversed digits.at n=21A166749