Example image of eyePlorer eyePlorer map for 'Square number': Integer Mathematics Square (algebra) Negative and non-negative numbers Square root Divisor Square-free integer Exponentiation Zeroth Natural number Parity (mathematics) Triangular number Centered square number Centered octagonal number Lagrange's four-square theorem Integer factorization Waring's problem Digit Number Perfect number Difference of two squares Chen Jingrun Legendre's conjecture Prime number Semiprime Methods of computing square roots John Horton Conway Richard K. Guy 9814072356 (number) Automorphic number Landau–Ramanujan constant Pell's equation Pentagonal number Powerful number Square triangular number Squared triangular number 1089 (number) 128 (number) 16 (number) 173 (number) 178 (number) 179 (number) 180 (number) 181 (number) 183 (number) 185 (number) 187 (number) 188 (number) 193 (number) 194 (number)