857143

Appears in sequences

• 7-automorphic numbers ending in 3: final digits of 7n^2 agree with n.at n=5A030990
• Kaprekar numbers: numbers k such that k = q + r and k^2 = q*10^m + r, for some m >= 1, q >= 0 and 0 <= r < 10^m. Here q and r must both have the same number of digits.at n=31A045913
• The full list of 6-Kaprekar numbers.at n=28A053397
• Numbers k such that k^2 is the concatenation of two numbers 6*m and m.at n=0A115546
• Numbers which divide the concatenation of the two previous primes.at n=3A258182
• Square roots of terms in A238237.at n=35A290449