2857143

Appears in sequences

• 7-automorphic numbers ending in 3: final digits of 7n^2 agree with n.at n=6A030990
• Numbers k with the property that k divides one of the concatenations (k-1)(k-2) or (k-2)(k-1).at n=27A077292
• Numbers n > 2 such that n divides the concatenation of n-2 and n-1.at n=7A088797