4931691075

Appears in sequences

• Numbers k such that the standard deviation of 1,...,k is an integer.at n=9A007654
• Numbers k such that k and k+1 are powerful numbers.at n=12A060355
• Powerful numbers of the form k^2 - 1.at n=10A060859
• Primitive elements of A060355: n such that n and n+1 are powerful but n is not of the form 4m(m+1) where m and m+1 are powerful.at n=7A199801
• Smaller of a pair of numbers (m, m+1) such that both are products P of composite prime powers with omega(P) > 1.at n=8A358174
• The smaller of a pair of successive powerful numbers without a nonsquarefree number between them.at n=32A371190