702247

Appears in sequences

• Numbers whose square with its last digit deleted is also a square.at n=27A031149
• Numerators of continued fraction convergents to sqrt(250).at n=9A041468
• Numerators of continued fraction convergents to sqrt(1000).at n=11A042936
• Numbers n such that n^2 can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways.at n=24A054737
• x-values in the solutions to x^2 - 10*y^2 = 9.at n=11A228209
• Positive numbers m such that m^2 with last digit z deleted is still a perfect square k^2, and z divides m-k.at n=7A343034