84358

Appears in sequences

• Square root of n has the same nonzero digit in each of the first 4 places to the right of the decimal point.at n=33A073585
• a(n) = 81*n^2 - 118*n + 43.at n=33A156677
• Indices of triangular numbers (A000217) that are also centered 10-gonal numbers (A062786).at n=3A280111
• Numbers k such that k+i^2, i=0..6 are all semiprimes.at n=11A361262