54389

Appears in sequences

• Numbers m such that m and m+2 are both brilliant numbers, where brilliant numbers are semiprimes whose prime factors have an equal number of decimal digits, or whose prime factors are equal.at n=33A083284
• First differences of A006128.at n=37A138137
• A proximate-prime polynomial sequence generated by 2*n^2 - 2*n + 53089.at n=25A155557