127194229449
domain: N
Appears in sequences
- Numbers which when chopped into two parts with equal length, added and squared result in the same number.at n=18A238237
- Numbers k = x.y such that x.y = (x+y)^2, when x and y have the same number of digits, "." means concatenation, and y may not begin with 0.at n=13A350870
- Numbers k for which nonnegative integers x and y exist such that k is the concatenation of x and y as well as k = (x + y)^2.at n=24A380428