12727274

Appears in sequences

• Sub-Kaprekar numbers: k such that k = |q - r| and k^2 = q*10^m + r, for some m >= 1, q >= 0, 0 <= r < 10^m, with k not a power of 10.at n=20A118936
• Sub-Kaprekar numbers (1): n such that n=q-r and n^2=q*10^m+r, for some m>=1, q>=0, 0<=r<10^m, with n not a power of 10.at n=13A118937
• Unabridged sub-Kaprekar numbers (A118936, but allowing powers of ten).at n=27A228381