823709

Properties

Appears in sequences

• Minimal number (in decimal representation) with n nonprime substrings in base-7 representation (substrings with leading zeros are considered to be nonprime).at n=29A217107
• Expansion of -1 - (sqrt(x^4 + 4*x^3 - 2*x^2 - 4*x + 1) - x^2 - 2*x - 1)/(4*x).at n=13A247172
• Prime numbersat n=65699